The command line remains the most direct route to deep system repair. Understanding the specific roles of Windows' three primary repair tools—SFC, DISM, and CHKDSK—will save you significant time during troubleshooting.
The Event Viewer is a built-in Windows tool that allows you to view system logs, including errors, warnings, and information events.
System Restore allows you to revert system files and settings to a previous point in time without affecting personal files.
Windows 11 includes dedicated tools to find and fix specific problems like internet, audio, or update errors automatically. Troubleshoot Other troubleshooters
Run Check Disk (chkdsk)
When Windows crashes, it creates a "minidump" file in the C:\Windows\Minidump folder. While analyzing these files requires advanced tools like WinDbg, the error code (e.g., DRIVER_POWER_STATE_FAILURE ) you see in Event Viewer is often enough to start troubleshooting.
The built-in Windows Security suite provides a quick snapshot of your device's operational health, flagging immediate hardware or software conflicts. How to Check Device Performance Press to open Settings . Navigate to Privacy & security > Windows Security . Click Open Windows Security . Select Device performance & health . What to Look For
File system errors and physical bad sectors on your Solid State Drive (SSD) or Hard Disk Drive (HDD) can cause severe file corruption. Using Graphical Interface Open and click This PC .
Using the tool first ensures SFC has a healthy repair source. Always follow this order: how to check errors in windows 11 hot
Once the system image is verified healthy by DISM, use SFC to scan and fix your local operating system files. In the same administrative command window, type: sfc /scannow Use code with caution. Press .
Press , type control , and press Enter to open the classic Control Panel. Go to Hardware and Sound > Power Options .
Select Restart now and check for problems . Your PC will restart into a blue diagnostic screen and begin scanning.
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Checking for errors in Windows 11 does not require expensive third-party diagnostic software. By using for live monitoring, SFC/DISM for file verification, Windows Memory Diagnostic for hardware testing, and Reliability Monitor for historical error tracking, you have all the tools necessary to keep your PC running flawlessly.
: In the left pane, go to Windows Logs > System . Filter for Heat Events : Click Filter Current Log... in the right-hand panel. Check Critical , Warning , and Error boxes.
For twenty years, the Event Viewer has been the go-to log for Windows admins. It is still the most detailed source of truth.