CompTIA 220-1202 A+ Certification Exam: Core 2 Dumps and Practice Test Questions Set 8 Q141-160

Visit here for our full CompTIA 220-1202 exam dumps and practice test questions.

Q141) A user reports that their Windows 10 laptop cannot boot after a failed Windows update. Which of the following should the technician use FIRST to attempt recovery?

A) Windows Recovery Environment (WinRE)
B) Device Manager
C) Disk Cleanup
D) Task Scheduler

Answer: A) Windows Recovery Environment (WinRE)

Explanation:

When a Windows 10 laptop fails to boot following a failed update, the first step should be to utilize the Windows Recovery Environment (WinRE). WinRE is a dedicated environment built into Windows to provide tools for system recovery, troubleshooting, and repair. It allows technicians to diagnose boot issues, restore the system to a previous state, and execute command-line repairs without fully booting into Windows, thereby minimizing the risk of data loss.

Option A) is correct because WinRE contains multiple recovery tools essential for this scenario:

Startup Repair automatically detects and resolves issues preventing Windows from booting, such as corrupted boot files, misconfigured updates, or damaged system files.

System Restore allows reverting the system to a restore point prior to the failed update, effectively undoing the update without affecting user files.

Command Prompt provides advanced troubleshooting options, such as rebuilding the Boot Configuration Data (BCD), running “sfc /scannow” to repair corrupted system files, and executing disk checks with CHKDSK.

Safe Mode loads Windows with minimal drivers and services, enabling the technician to isolate and resolve driver or software conflicts contributing to the boot failure.

Option B) Device Manager is inaccessible when Windows cannot boot. Device Manager is used to manage hardware and drivers on a functioning system, but it cannot repair startup failures in a non-booting system.

Option C) Disk Cleanup is designed to remove temporary files, old Windows update files, and other unnecessary data to free disk space. While useful for system maintenance, it cannot resolve boot failures caused by failed updates.

Option D) Task Scheduler automates routine tasks, but it does not address boot issues. Scheduled tasks cannot restore a non-booting system to operational status.

The recommended approach is to boot into WinRE, attempt Startup Repair first, and if that fails, use System Restore or Safe Mode for manual troubleshooting. Command-line tools within WinRE can resolve complex issues like corrupt boot sectors or misconfigured system files. Documenting the recovery steps is crucial to ensure that future boot failures can be addressed efficiently. Proper use of WinRE restores system operability while protecting user data and maintaining productivity.

Q142) A user reports that their Windows 10 laptop cannot print to a shared network printer, although other users can. Which of the following should the technician check FIRST?

A) User permissions on the printer
B) Printer toner levels
C) Hard drive free space
D) BIOS version

Answer: A) User permissions on the printer

Explanation:

When a single user is unable to print to a shared network printer while other users can, the issue is most likely due to insufficient permissions. Windows manages access to shared printers through security settings that define who can print, manage printer properties, or view the printer on the network. Without proper permissions, the user will be unable to send print jobs, even if the printer is operational and correctly connected to the network.

Option A) is correct because checking and adjusting user permissions addresses the root cause. The technician should access the printer properties on the print server or host computer, navigate to the Security tab, and verify that the affected user has the necessary “Print” permission. Granting access or adding the user to a group with printing privileges restores functionality. After updating permissions, the user may need to reconnect to the printer or restart the Print Spooler service for changes to take effect.

Option B) Printer toner levels affect print quality but do not prevent a user from sending jobs. Low toner would result in faded prints but would not explain why only one user is unable to print.

Option C) Hard drive free space impacts system performance but is unlikely to prevent a single user from accessing a shared printer. Severe low disk space could interfere with spooling, but this scenario indicates a permissions issue rather than storage constraints.

Option D) BIOS version is unrelated to printer access. Printer functionality and sharing are managed by the operating system, not the BIOS, except in rare cases involving specialized integrated devices.

Once permissions are verified and updated, the technician should also ensure that the correct printer driver is installed for the user, that the Print Spooler service is running, and that network connectivity to the print server is functional. Proper management of user permissions ensures secure and reliable printing while reducing support calls and maintaining workflow efficiency.

Q143) A user reports that their Windows 10 laptop frequently displays “Low Disk Space” warnings on the C: drive. Which of the following should the technician do FIRST?

A) Delete unnecessary files and run Disk Cleanup
B) Upgrade the CPU
C) Update the graphics driver
D) Replace the RAM

Answer: A) Delete unnecessary files and run Disk Cleanup

Explanation:

 Low disk space warnings on the C: drive indicate that the primary system drive is nearly full. Maintaining sufficient free space is crucial for system stability, allowing Windows to store temporary files, page files, restore points, and updates. Ignoring low disk space warnings can result in system slowdowns, application errors, failed updates, and even data loss.

Option A) is correct because deleting unnecessary files and running Disk Cleanup immediately frees space. Disk Cleanup removes temporary files, cached data, old Windows Update files, and contents of the Recycle Bin. Uninstalling unused applications, moving large files to external drives or cloud storage, and enabling Storage Sense for automatic cleanup helps maintain optimal free space. After cleanup, the technician should ensure that at least 10–15% of the C: drive remains free to accommodate system operations and future updates.

Option B) Upgrading the CPU improves processing speed but does not address storage issues.

Option C) Updating the graphics driver affects display performance but does not influence disk space availability.

Option D) Replacing RAM increases system memory for multitasking but does not affect the capacity of the storage drive or resolve low disk space warnings.

After cleanup, the technician may consider long-term solutions, such as upgrading to a larger SSD, implementing secondary storage drives, or routinely archiving files. Proper disk management enhances performance, ensures successful updates, and prevents application errors or system instability.

Q144) A user reports that their Windows 10 laptop frequently freezes during startup, and Task Manager identifies high disk usage by “Windows Modules Installer Worker.” Which of the following is the MOST likely cause?

A) Windows is installing updates
B) Failing hard drive
C) Malware infection
D) Outdated display driver

Answer: A) Windows is installing updates

Explanation:

The “Windows Modules Installer Worker” (TiWorker.exe) is a legitimate Windows process responsible for installing, modifying, or removing Windows updates and optional system components. High disk and CPU usage during startup often occurs when Windows is performing update-related tasks. TiWorker.exe conducts file integrity checks, prepares updates, and performs background servicing, which temporarily increases resource usage and can make the system appear frozen.

Option A) is correct because high disk usage by TiWorker.exe is typically a normal consequence of Windows update operations. Task Manager will identify TiWorker.exe as consuming significant resources. Updates, cumulative patches, and feature upgrades can result in extended periods of high CPU and disk usage. Technicians should allow the process to complete, monitor progress using Task Manager or Event Viewer, and educate users that this behavior is expected. Scheduling updates during off-hours can prevent workflow disruptions.

Option B) A failing hard drive causes generalized slowdowns, repeated file errors, or unusual noises. However, isolated high disk usage by TiWorker.exe indicates a software-related process rather than hardware failure.

Option C) Malware infection can also cause high CPU usage, but the process identified is legitimate. Running a full malware scan provides confirmation but is unlikely to resolve the specific issue.

Option D) An outdated display driver affects graphical performance and may cause flickering or artifacts, but does not result in high disk usage by Windows Modules Installer Worker.

Once updates complete, system performance should return to normal. Administrators can schedule updates strategically, use Group Policy to manage update installation times, and run repair commands like DISM or SFC if persistent performance issues occur. Proper management of Windows updates ensures security and system stability.

 

Q145) A user reports that their Windows 10 laptop cannot connect to a VPN, although the VPN works on other devices. Which of the following should the technician check FIRST?

A) Firewall or antivirus settings blocking VPN traffic
B) ISP service status
C) Physical Ethernet cable
D) Screen resolution

Answer: A) Firewall or antivirus settings blocking VPN traffic

Explanation:

When a VPN functions on other devices but fails on a particular Windows 10 laptop, the issue is likely local to that device. Firewalls and antivirus programs can block VPN protocols, ports, or client applications, preventing secure tunneling and authentication. Local security software configuration is a common cause of VPN connectivity issues affecting only one device on the network.

Option A) is correct because firewall or antivirus restrictions often prevent VPN connections. The technician should temporarily disable security software to test connectivity. If the VPN connects successfully while security software is disabled, the firewall or antivirus is the source of the block. The technician can then configure exceptions, open necessary ports, or allow the VPN client through the firewall while maintaining system security. VPN client configuration, software updates, and proper credentials should also be verified.

Option B) ISP service outages affect all devices. Since other devices connect successfully, the ISP is not the issue.

Option C) Physical Ethernet cables only affect wired connections and do not interfere with VPN over Wi-Fi.

Option D) Screen resolution does not affect VPN connectivity. Display settings are unrelated to secure network tunneling or authentication processes.

After configuring the firewall or antivirus to allow VPN traffic, the technician should monitor the VPN connection for stability and confirm that authentication is successful. Proper configuration ensures reliable VPN access while maintaining system protection and network integrity.

Q146) A user reports that their Windows 10 laptop cannot boot after installing a feature update. Which of the following tools should the technician use FIRST to attempt recovery?

A) Windows Recovery Environment (WinRE)
B) Device Manager
C) Disk Cleanup
D) Task Scheduler

Answer: A) Windows Recovery Environment (WinRE)

Explanation:

When a Windows 10 laptop fails to boot after a feature update, the first tool a technician should use is the Windows Recovery Environment (WinRE). WinRE is an integrated troubleshooting environment designed to help repair startup issues, restore system functionality, and recover from serious errors without a full reinstall. It allows for a structured, safe approach to resolving boot failures, protecting user data, and maintaining system integrity.

Option A) is correct because WinRE provides a variety of essential recovery tools. Startup Repair automatically identifies and fixes problems that prevent Windows from booting, such as corrupted system files, missing boot sectors, or misconfigured updates. System Restore allows reverting the system to a previous restore point before the failed update, undoing changes without affecting personal files. The Command Prompt in WinRE allows advanced troubleshooting, including rebuilding the Boot Configuration Data (BCD), running System File Checker (SFC) for corrupted system files, and using CHKDSK to check disk integrity. Safe Mode starts Windows with a minimal set of drivers and services, enabling the isolation of software or driver conflicts that could cause boot failures.

Option B) Device Manager is only accessible in a functioning operating system. It manages hardware devices and drivers, but it cannot be used to repair a system that cannot boot.

Option C) Disk Cleanup removes temporary files, caches, and other unnecessary files to free storage space. While useful for system maintenance, it does not resolve boot failures caused by failed feature updates.

Option D) Task Scheduler automates routine tasks but does not address system startup issues. Scheduled tasks cannot repair a non-booting operating system.

The recommended approach is to access WinRE and attempt Startup Repair first. If that fails, System Restore or Safe Mode provides manual intervention options. Command-line tools in WinRE can handle complex repair scenarios. Proper use of WinRE restores system operability while safeguarding data, ensuring the laptop can resume normal operation safely and efficiently.

Q147) A user reports that their Windows 10 laptop cannot print to a shared network printer, although other users can print successfully. Which of the following should the technician check FIRST?

A) User permissions on the printer
B) Printer toner levels
C) Hard drive free space
D) BIOS version

Answer: A) User permissions on the printer

Explanation:

When only a single user cannot print to a shared network printer, the problem is usually due to insufficient permissions. Windows manages access to shared printers through security settings that specify which users or groups can print, manage printer properties, or access the printer on the network. Without the correct permissions, a user cannot send print jobs, even if the printer is fully operational.

Option A) is correct because checking user permissions addresses the root cause. The technician should open the printer properties on the host computer or print server, navigate to the Security tab, and ensure that the affected user has the necessary “Print” permission. If needed, the user can be added to a group with printing privileges. Once permissions are updated, the user may need to reconnect to the printer or restart the Print Spooler service to apply changes.

Option B) Printer toner levels affect print quality but do not prevent access. Low toner results in faded prints but would not explain why only one user is unable to print while others can.

Option C) Hard drive free space affects overall system performance but is unlikely to prevent a single user from printing. Severe low disk space could impact the Print Spooler, but this scenario indicates a permissions issue rather than storage limitations.

Option D) BIOS version does not affect printer access. Printing and sharing permissions are controlled by the operating system and network settings, not firmware.

After adjusting permissions, the technician should verify that the correct printer driver is installed for the affected user and that network connectivity to the print server is functioning. Proper permission management ensures secure, reliable printing and minimizes support calls while maintaining workflow efficiency.

Q148) A user reports that their Windows 10 laptop frequently displays “Low Disk Space” warnings on the C: drive. Which of the following should the technician do FIRST?

A) Delete unnecessary files and run Disk Cleanup
B) Upgrade the CPU
C) Update the graphics driver
D) Replace the RAM

Answer: A) Delete unnecessary files and run Disk Cleanup

Explanation:

 Low disk space warnings indicate that the system drive (typically C:) is nearing full capacity. Maintaining adequate free space is critical for system stability, as Windows requires room for temporary files, page files, restore points, and future updates. Ignoring low disk space can result in slow performance, failed updates, application errors, and potential data loss.

Option A) is correct because removing unnecessary files and using Disk Cleanup immediately frees space. Disk Cleanup removes temporary files, caches, old Windows Update files, and contents of the Recycle Bin. Uninstalling unused programs and transferring large files to external storage or cloud solutions further optimizes available space. Enabling Storage Sense automates cleanup tasks, ensuring the system maintains adequate free space over time. After cleanup, technicians should ensure that at least 10–15% of the drive remains free to accommodate system operations and updates.

Option B) Upgrading the CPU increases processing speed but does not add storage capacity.

Option C) Updating the graphics driver improves display performance but does not affect disk space.

Option D) Replacing RAM improves multitasking capability but does not resolve storage issues.

Once cleanup is complete, the technician may recommend long-term solutions such as upgrading the SSD, adding secondary storage, or implementing routine archiving procedures. Proper disk management ensures system stability, efficient updates, and smooth application performance.

Q149) A user reports that their Windows 10 laptop cannot connect to a VPN, although the VPN works on other devices. Which of the following should the technician check FIRST?

A) Firewall or antivirus settings blocking VPN traffic
B) ISP service status
C) Physical Ethernet cable
D) Screen resolution

Answer: A) Firewall or antivirus settings blocking VPN traffic

Explanation:

When a VPN functions on other devices but fails on a Windows 10 laptop, the issue is likely local. Firewalls or antivirus software can block VPN protocols, ports, or client applications, preventing successful connection and authentication. Local security settings are a common cause of VPN issues affecting only one device.

Option A) is correct because firewall or antivirus restrictions often prevent VPN connections. The technician should temporarily disable security software to test the VPN connection. If the VPN works while security software is disabled, the software is blocking traffic. The technician can then configure exceptions or open required ports to allow VPN traffic while maintaining security. Verifying VPN client configuration, updating software, and confirming credentials ensures proper communication with the VPN server.

Option B) ISP outages affect all devices. Since other devices can connect successfully, the ISP is not the problem.

Option C) Physical Ethernet cables are only relevant for wired connections and do not affect VPN connectivity over Wi-Fi.

Option D) Screen resolution does not impact VPN functionality. Display settings are unrelated to network tunneling or authentication processes.

Once firewall and antivirus settings are properly configured, the technician should test the VPN for stability, monitor authentication logs, and ensure reliable access. Proper configuration ensures secure and uninterrupted VPN connections while maintaining system protection.

Q150) A user reports that their Windows 10 laptop screen flickers intermittently when opening certain applications. Which of the following is the MOST likely cause?

A) Outdated or incompatible display driver
B) Low hard drive free space
C) Incorrect screen resolution
D) Disabled firewall

Answer: A) Outdated or incompatible display driver

Explanation

Intermittent screen flickering in applications is commonly caused by outdated, corrupted, or incompatible graphics drivers. The display driver serves as the interface between Windows and the GPU, translating rendering commands for applications and the operating system. Applications using hardware acceleration, DirectX, or OpenGL may expose driver incompatibilities, leading to flickering, tearing, or temporary blackouts.

Option A) is correct because updating or reinstalling the display driver resolves compatibility issues. The technician should check Device Manager for warnings under “Display adapters,” update the driver via the manufacturer’s website, or roll back to a previous stable version if flickering began after a recent update. Disabling hardware acceleration in affected applications may temporarily reduce flickering while maintaining usability. Ensuring Windows updates are applied helps maintain driver compatibility and system stability.

Option B) Low hard drive space can reduce overall performance but does not cause intermittent screen flickering.

Option C) Incorrect screen resolution may distort images but does not create dynamic flickering. Resolution problems are static, unlike driver-related display anomalies.

Option D) Disabled firewall affects network security but does not impact GPU performance. Flickering is unrelated to firewall settings.

After updating drivers and adjusting application settings, the technician should test multiple applications to confirm resolution. Monitoring GPU performance and temperature ensures hardware integrity. Proper driver management ensures stable visual output, prevents disruptions, and enhances the user experience during application use.

Q151) A user reports that their Windows 10 laptop cannot boot and displays a blue screen with the error code “0x0000007B.” Which of the following is the MOST likely cause?

A) Boot device not accessible
B) Outdated graphics driver
C) Low hard drive free space
D) Incorrect screen resolution

Answer: A) Boot device not accessible

Explanation:

The error code “0x0000007B,” also known as INACCESSIBLE_BOOT_DEVICE, typically indicates that Windows cannot access the system partition during startup. This issue may be caused by corrupted boot configuration, missing or incompatible storage drivers, hardware failure, or misconfigured BIOS/UEFI settings. This is a critical startup error, and the system will fail to load until the underlying cause is resolved.

Option A) is correct because inaccessible boot devices prevent Windows from loading the operating system. Causes include incorrectly configured SATA operation modes (e.g., switching between IDE, AHCI, or RAID without updating drivers), damaged or corrupted storage controllers, failed drives, or missing boot files. To resolve this, the technician should boot into Windows Recovery Environment (WinRE) and attempt Startup Repair. If that fails, the technician can use Command Prompt to rebuild the Boot Configuration Data (BCD) using “bootrec /rebuildbcd” and repair the Master Boot Record (MBR) with “bootrec /fixmbr.” Checking BIOS/UEFI settings ensures the system is booting from the correct drive and using the proper SATA mode. Testing the storage drive for physical issues with CHKDSK or manufacturer diagnostic tools is also recommended.

Option B) Outdated graphics drivers affect display performance and may cause flickering or black screens, but they do not prevent Windows from accessing the boot device.

Option C) Low hard drive free space can slow system performance and cause issues with updates, but it does not trigger a blue screen error specifically indicating inaccessible boot devices.

Option D) Incorrect screen resolution affects display output but has no impact on booting or accessing the system partition.

Once the boot device issue is resolved, Windows should load normally. It is important for technicians to verify the integrity of the storage subsystem, ensure all necessary drivers are installed, and configure BIOS/UEFI settings correctly to prevent recurrence. Proper diagnosis and repair maintain system stability and data integrity, allowing users to resume normal operations efficiently.

Q152) A user reports that their Windows 10 laptop frequently freezes during startup and Task Manager shows high CPU usage by “Windows Modules Installer Worker.” Which of the following is the MOST likely cause?

A) Windows is installing updates
B) Malware infection
C) Failing hard drive
D) Outdated network driver

Answer: A) Windows is installing updates

Explanation:

The “Windows Modules Installer Worker” (TiWorker.exe) is a legitimate Windows service responsible for installing, modifying, or removing Windows updates and optional components. High CPU or disk usage during startup often occurs when Windows is performing update operations. TiWorker.exe performs file integrity checks, prepares updates, and conducts background servicing tasks. While this process runs, the system may appear unresponsive or slow.

Option A) is correct because high CPU usage by TiWorker.exe is typically normal during Windows updates. Updates, especially cumulative updates or feature upgrades, may consume significant system resources. The technician should allow the process to complete, monitor progress using Task Manager or Event Viewer, and educate the user that this behavior is expected. Scheduling updates during off-peak hours can minimize disruption. If performance does not improve after updates complete, the technician may run “DISM /Online /Cleanup-Image /RestoreHealth” and “sfc /scannow” to repair corrupted system files.

Option B) Malware infection can cause high CPU usage, but Task Manager identifies the specific process causing the usage. Since the process in question is TiWorker.exe, malware is unlikely. Running a full scan is still a good precaution.

Option C) A failing hard drive can lead to generalized slowdowns and repeated file errors but does not specifically explain high CPU usage by Windows Modules Installer Worker. Symptoms include unusual noises, file corruption, or crashes across multiple applications.

Option D) An outdated network driver may affect connectivity but does not cause high CPU usage related to system update processes. Network-related issues manifest as slow network speeds or disconnections, not CPU-intensive update activity.

Once updates complete, system performance should return to normal. Administrators can configure update policies, monitor system health, and schedule maintenance tasks to minimize impact. Proper update management ensures security, stability, and optimal system operation.

 

Q153) A user reports that their Windows 10 laptop screen flickers intermittently when opening certain applications. Which of the following is the MOST likely cause?

A) Outdated or incompatible display driver
B) Low hard drive free space
C) Incorrect screen resolution
D) Disabled firewall

Answer: A) Outdated or incompatible display driver

Explanation

Intermittent screen flickering in applications is often caused by outdated, corrupted, or incompatible graphics drivers. The display driver acts as the interface between Windows and the GPU, translating rendering commands for applications and the operating system. Programs that utilize hardware acceleration, DirectX, or OpenGL can exacerbate driver-related issues, causing flickering, tearing, or temporary blackouts.

Option A) is correct because updating or reinstalling the graphics driver resolves compatibility issues. The technician should check Device Manager for warnings under “Display adapters,” update the driver via the manufacturer’s website, or roll back to a previous stable driver version if flickering began after a recent update. Disabling hardware acceleration in affected applications can temporarily reduce flickering while maintaining usability. Ensuring Windows updates are applied helps maintain driver compatibility and overall system stability.

Option B) Low hard drive space may slow overall performance but does not directly cause intermittent screen flickering.

Option C) Incorrect screen resolution may distort images but does not produce dynamic flickering. Resolution issues are static and predictable, unlike driver-related visual anomalies.

Option D) Disabled firewall impacts network security but does not affect GPU performance or application rendering. Flickering is unrelated to firewall settings.

After updating drivers and adjusting application settings, the technician should test multiple applications to confirm resolution. Monitoring GPU performance and temperature ensures hardware integrity. Proper driver management guarantees stable visual output, prevents disruptions, and enhances the user experience during application use.

Q154) A user reports that their Windows 10 laptop cannot connect to a Wi-Fi network, although other devices on the same network connect successfully. Which of the following should the technician check FIRST?

A) Wireless adapter driver
B) ISP service outage
C) Physical Ethernet cable
D) Screen resolution

Answer: A) Wireless adapter driver

Explanation:

When a single Windows 10 laptop cannot connect to a Wi-Fi network while other devices function normally, the problem is likely specific to the laptop. The wireless adapter and its driver are responsible for scanning networks, authenticating connections, and maintaining signal stability. Outdated, corrupted, or incompatible drivers can prevent successful connections, even if the Wi-Fi network is functioning.

Option A) is correct because updating or reinstalling the wireless adapter driver addresses the root cause. The technician should open Device Manager, check for warning icons or unrecognized devices, and update the driver from the manufacturer’s website or via Windows Update. Power management settings should also be verified to ensure Windows is not turning off the adapter to save energy, which can cause intermittent connectivity issues. Testing the adapter on other networks helps determine whether the issue is device-specific or network-related.

Option B) ISP service outages affect all devices. Since other devices can connect to the same network, the ISP is not the source of the issue.

Option C) Physical Ethernet cables do not affect Wi-Fi connections. Wired connections are irrelevant to wireless network troubleshooting.

Option D) Screen resolution affects display output but has no impact on network connectivity or wireless functionality.

After confirming the driver is up to date, the technician may also reset the network stack, run the Windows Network Troubleshooter, and replace the adapter if hardware failure is suspected. Proper driver management and network troubleshooting ensure stable connectivity, minimize downtime, and maintain productivity.

Q155) A user reports that their Windows 10 laptop battery drains rapidly, even when idle, and Task Manager shows multiple background processes consuming high CPU. Which of the following is the MOST likely cause?

A) Excessive background applications consuming CPU resources
B) Low hard drive free space
C) Disabled firewall
D) Incorrect screen resolution

Answer: A) Excessive background applications consuming CPU resources

Explanation:

 Rapid battery drain during idle periods is commonly caused by background processes consuming significant CPU resources. Programs such as cloud sync clients, system indexing services, update agents, and other utilities can continue running without user interaction, leading to high CPU usage. Increased CPU activity generates heat and accelerates battery depletion, reducing the overall battery lifespan.

Option A) is correct because identifying and managing CPU-intensive background applications addresses the root cause. Task Manager can be used to locate processes consuming excessive CPU. Disabling unnecessary startup programs, using Windows Battery Saver mode, and configuring power plans to limit CPU activity during idle periods can extend battery life. Users should be educated to close resource-heavy applications when not in use.

Option B) Low hard drive free space affects system performance but does not directly cause high CPU usage or battery drain.

Option C) Disabled firewall impacts network security but does not affect CPU utilization or energy consumption.

Option D) Incorrect screen resolution affects display quality but does not increase CPU usage or battery depletion.

Additional measures include scheduling maintenance tasks while the laptop is plugged in, uninstalling unnecessary software, and monitoring CPU usage patterns. Proper management of background processes ensures longer battery life, reduces system heat, and maintains system responsiveness during both active and idle use.

Q156) A user reports that their Windows 10 laptop cannot boot and displays a black screen with a blinking cursor. Which of the following is the MOST likely cause

A) Corrupted boot configuration
B) Low hard drive free space
C) Outdated graphics driver
D) Disabled firewall

Answer: A) Corrupted boot configuration

Explanation:

A black screen with a blinking cursor during startup usually indicates that Windows cannot locate or properly load the boot files necessary to start the operating system. This symptom is most commonly caused by a corrupted boot configuration, missing system files, or a damaged Master Boot Record (MBR) or Boot Configuration Data (BCD). The system halts at this stage because it cannot transition from the BIOS/UEFI to the operating system loader.

Option A) is correct because a corrupted boot configuration prevents Windows from locating or initializing the operating system. This corruption can occur due to failed updates, improper shutdowns, malware, disk errors, or accidental modification of boot files. The technician should boot the laptop into Windows Recovery Environment (WinRE) and use tools such as Startup Repair, Command Prompt commands like “bootrec /fixmbr,” “bootrec /fixboot,” and “bootrec /rebuildbcd” to restore the boot configuration. Running CHKDSK ensures that the drive’s file system is intact. Confirming that BIOS/UEFI settings point to the correct boot drive is also critical.

Option B) Low hard drive free space may slow the system or cause updates to fail but does not directly prevent booting. A black screen with a blinking cursor is a symptom of boot loader failure, not storage insufficiency.

Option C) Outdated graphics drivers can cause flickering, artifacts, or distorted display after boot, but they do not prevent Windows from accessing the boot loader or system files.

Option D) A disabled firewall impacts network security and connectivity but has no influence on the system’s ability to boot or locate boot files.

After repairing the boot configuration, the system should load normally. It is recommended to create regular system restore points and backup boot files to prevent future occurrences. Proper diagnosis and restoration of boot configuration ensure the system can start reliably while maintaining user data integrity.

Q157) A user reports that their Windows 10 laptop cannot connect to a network printer, although other devices can print successfully. Which of the following should the technician check FIRST?

A) User permissions on the printer
B) Printer toner levels
C) Hard drive free space
D) BIOS version

Answer: A) User permissions on the printer

Explanation:

When a single user cannot print to a shared network printer while other devices function normally, the root cause is most often related to access permissions. Windows uses permissions to control who can print, manage printer properties, and see the printer on the network. Without the necessary permissions, a user cannot send print jobs to the printer, even if the device is fully functional and other users can print successfully.

Option A) is correct because verifying user permissions addresses the primary cause. The technician should access the printer properties on the host computer or print server, navigate to the Security tab, and confirm that the affected user has the “Print” permission. If necessary, the user can be added to a group with printing privileges. After permission adjustments, the user may need to reconnect to the printer or restart the Print Spooler service to apply changes.

Option B) Printer toner levels affect print quality but do not prevent access. Low toner might result in faded prints but cannot explain why only one user is unable to print.

Option C) Hard drive free space may affect general system performance but is unlikely to prevent a single user from printing. Only extreme low storage affecting the Print Spooler could impact functionality.

Option D) BIOS version does not influence printer access. Printing and sharing are managed by the operating system, not firmware.

After confirming permissions, the technician should ensure that the correct driver is installed for the affected user and that the network connection to the print server is functioning. Proper management of permissions ensures secure and reliable printing and reduces support requests.

Q158) A user reports that their Windows 10 laptop screen flickers intermittently when opening applications. Which of the following is the MOST likely cause?

A) Outdated or incompatible display driver
B) Low hard drive free space
C) Incorrect screen resolution
D) Disabled firewall

Answer: A) Outdated or incompatible display driver

Explanation

Screen flickering during application use is commonly caused by outdated, corrupted, or incompatible graphics drivers. The display driver serves as the interface between Windows and the GPU, translating rendering instructions from applications into visual output. Applications using hardware acceleration, DirectX, or OpenGL can exacerbate driver-related issues, resulting in flickering, screen tearing, or temporary blackouts.

Option A) is correct because updating or reinstalling the graphics driver resolves driver-related issues. The technician should open Device Manager, check for warnings under “Display adapters,” and install the latest driver from the manufacturer’s website. If flickering began after a recent update, rolling back to a stable driver may be appropriate. Disabling hardware acceleration in applications can temporarily mitigate flickering while maintaining functionality. Ensuring Windows updates are installed also helps maintain driver compatibility and stability.

Option B) Low hard drive free space can slow system performance but does not cause dynamic visual flickering.

Option C) Incorrect screen resolution may distort images but does not produce intermittent flickering. Resolution issues are static and predictable.

Option D) Disabled firewall impacts network security but does not influence GPU performance or application rendering. Flickering is unrelated to firewall settings.

After updating drivers and adjusting application settings, the technician should test multiple applications to confirm the fix. Monitoring GPU usage and temperature ensures hardware integrity. Proper driver management guarantees stable visual output, prevents disruptions, and improves the overall user experience.

Q159) A user reports that their Windows 10 laptop cannot connect to a Wi-Fi network, although other devices on the same network function normally. Which of the following should the technician check FIRST?

A) Wireless adapter driver
B) ISP service outage
C) Physical Ethernet cable
D) Screen resolution

Answer: A) Wireless adapter driver

Explanation:

When only one device cannot connect to Wi-Fi while others work, the problem is usually local to the device. The wireless adapter and its driver are responsible for detecting networks, authenticating connections, and maintaining stable connectivity. Outdated, corrupted, or incompatible drivers can prevent the device from connecting, even if the network is operational.

Option A) is correct because verifying and updating the wireless adapter driver addresses the root cause. The technician should open Device Manager, check for warning icons, and update the driver from the manufacturer’s website or via Windows Update. Power management settings should be reviewed to ensure Windows is not turning off the adapter to save energy, which can cause intermittent connectivity issues. Testing the adapter on other networks helps determine whether the problem is device-specific.

Option B) ISP outages affect all devices on the network. Since other devices are functioning, the ISP is unlikely to be the cause.

Option C) Physical Ethernet cables are only relevant for wired connections and do not affect wireless network connectivity.

Option D) Screen resolution affects display output but has no effect on Wi-Fi connectivity.

After updating drivers and adjusting settings, the technician can reset the network stack using “netsh” commands, run the Windows Network Troubleshooter, and test connectivity. Proper management of drivers and network configuration ensures stable and reliable wireless connectivity.

Q160) A user reports that their Windows 10 laptop battery drains rapidly, even when idle, and Task Manager shows multiple background processes consuming high CPU. Which of the following is the MOST likely cause

A) Excessive background applications consuming CPU resources
B) Low hard drive free space
C) Disabled firewall
D) Incorrect screen resolution

Answer: A) Excessive background applications consuming CPU resources

Explanation

Rapid battery drain during idle periods is often caused by background processes consuming significant CPU resources. Applications such as cloud sync clients, indexing services, system maintenance utilities, and update agents can continue running without user interaction. High CPU usage generates heat and increases energy consumption, significantly reducing battery life.

Option A) is correct because identifying and managing CPU-intensive background applications resolves the issue. Task Manager can identify processes using excessive CPU. Unnecessary startup applications should be disabled, Windows Battery Saver mode should be enabled, and power plans should limit CPU activity during idle periods. Users should be educated to close resource-heavy applications when not needed.

Option B) Low hard drive free space affects system performance but does not directly lead to high CPU usage or rapid battery drain.

Option C) Disabled firewall impacts network security but does not influence CPU activity or energy consumption.

Option D) Incorrect screen resolution may affect display output but does not increase CPU usage or battery depletion.

Additional measures include scheduling maintenance tasks while plugged in, uninstalling unnecessary software, and monitoring CPU usage patterns. Proper management of background processes extends battery life, reduces system heat, and maintains system responsiveness during both active and idle periods.