Windows OS Troubleshooting

The Blue Screen of Death (BSoD), also known as a stop error screen, appears in Microsoft Windows when the system encounters a critical error it cannot recover from without risking further instability. The BSoD typically displays technical details that may help advanced users diagnose the underlying cause of the error. In earlier versions of Windows, the BSoD included elements such as an error code, the memory address where the fault occurred, and the name of the driver that caused it. Beginning with Windows 8, the screen was redesigned to present a simplified message, along with a stop code, a URL, and a QR code linking to online troubleshooting resources. For Windows to recover from a BSoD, a system restart is required, which may occur automatically or be triggered manually using the computer's power button.

(T/F)

True

Which of the tools listed below can be used to identify resource-intensive applications that cause degraded performance in Microsoft Windows?

Task Manager

Which actions are most likely to resolve a Windows boot issue caused by the system attempting to start from an incorrect device?

Updating the boot order in BIOS

Disconnecting any removable drives

Which of the following Windows Recovery Environment (WinRE) tools is specifically designed to automatically recover from operating system boot failures?

Startup Repair

During system boot, a user receives "Windows Boot Configuration Data file is missing some required information" error message. Which command-line command should a technician use to troubleshoot this error?

bootrec /rebuildbcd

A technician is troubleshooting a Windows system that powers off unexpectedly after a GPU driver update. Which Windows utility should the technician use to manually roll back the specific driver?

Device Manager

A Windows desktop restarts several times a day without displaying a blue screen. Which system utility can a technician use to review detailed system logs and determine the cause?

Event Viewer

A user reports that a Windows 11 computer restarts randomly during normal operation. A technician suspects the issue is caused by corrupted system files. Which built-in command-line tool should be run to verify and repair these files?

sfc /scannow

A Windows desktop powers off randomly only when non-Microsoft services are loaded. The issue does not occur in Safe Mode. Which step should be taken to isolate the cause?

Perform a clean boot

Which Windows diagnostic tool provides a timeline of system events and failures, including unexpected shutdowns?

Reliability Monitor

The "Disable automatic restart on system failure" option in Windows is specifically used to prevent a computer from immediately rebooting after a blue screen error, allowing time to view the stop error code and other critical information needed for troubleshooting. (T/F)

True

n MS Windows, Services (services.msc) is a system applet used for managing background applications and processes. The applet interface can be accessed by pressing Windows logo + R key combination, typing services.msc in the Run dialog box and pressing Enter. Inside the interface, double-clicking on a service opens its Properties menu, which can also be displayed by right-clicking on the service and selecting Properties from the context menu. The General tab of the Properties menu contains all the basic controls necessary for manual service management such as Start, Stop, Pause, and Resume buttons. If a service fails to start, automatic system response can be set on the Recovery tab. Troubleshooting can also involve checking the Dependencies tab to determine which services are required by the selected service and which services depend on it. (T/F)

True

Which system utility in Windows is the primary source for reviewing detailed information regarding application crashes?

Event Viewer

While troubleshooting a persistent application crash, a technician determines the application must be completely reinstalled. Which Windows utility would provide access to the procedure for performing this action?

Programs and Features

In Microsoft Windows, a reserved portion of the storage drive used for data that cannot be stored in RAM due to insufficient memory space is called:

Paging file

A Windows workstation frequently displays low memory warnings while multiple applications are running. Which Windows utilities can a technician use to identify the processes consuming the most memory?

Task Manager

Resource Monitor

Recommended methods for resolving or preventing low memory warnings on a Windows-based system include:

Upgrading system memory

Closing unnecessary background applications

Increasing the size of the paging file

The common causes of USB controller resource warnings include USB devices exceeding the number of available endpoints (a.k.a. data buffers) or drawing too much power. In Microsoft Windows, troubleshooting solutions that can be applied to resolve such problems include

Unplugging USB devices that are not in use

Moving devices to ports linked to a different USB controller

Windows system instability is commonly caused by hardware failures, driver conflicts, corrupted system files, overheating, insufficient power, or incompatible software. The condition is typically manifested as unpredictable behavior such as random freezes, crashes, reboots, or system hangs. Troubleshooting involves isolating faulty components, verifying system integrity, and restoring stability through updates, diagnostics, and repairs. Common tools include Event Viewer for error analysis, Safe Mode for driver and startup isolation, Windows Memory Diagnostic for testing RAM, and the SFC utility for repairing corrupted system files. (T/F)

True

A Windows user reports that their PC displays "Operating system not found" error immediately after the POST sequence. Assuming the physical storage drive is functional, which options are the most likely causes of the OS detection failure?

Incorrect BIOS/UEFI boot order

Corrupted boot records/files

A Windows domain user experiences long delays during login, and the profile takes several minutes to load. What is a common solution to this issue?

Rebuilding Windows profiles

Which of the following are valid causes of time drift in Windows?

Disabled Windows Time (W32Time) service

CMOS battery failure

Unreachable or misconfigured NTP server

Time synchronization settings in Windows 10 and Windows 11 can be accessed via:

Windows Start > Settings > Time & Language > Date & time

Windows Control Panel (icon view) > Date and Time > Internet Time tab > Change settings

Windows Control Panel (category view) > Clock and Region > Set the time and date > Internet Time tab > Change settings