im using Windows 11 workstation OS, but some times i am getting screen blank issue please guide me

If you are experiencing a blank screen issue on your Windows 11 workstation, there are several troubleshooting steps you can take:

1. Reset the Graphics Driver: You can reset the graphics driver by pressing the Windows logo key + Ctrl + Shift + B. This can resolve temporary display issues.
2. Check Shell Configuration: Ensure that the Shell value in the registry is set correctly. You can do this by:
   • Pressing the Windows logo key + R, typing regedit, and pressing Enter to open the Registry Editor.
   • Navigating to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon and checking the Shell value data. It should be set to explorer.exe. If it is not, you can change it after backing up the registry.
3. Perform a Clean Boot: If the issue persists, you may want to perform a clean boot to determine if a startup application or service is causing the problem. This can help isolate the issue.
4. Capture Process Dumps: If you are still facing issues, you can capture process dumps of explorer.exe and userinit.exe to analyze what might be causing the blank screen. This involves using tools like ProcDump to collect data when the issue occurs.
5. Check Event Viewer: You can also check the Event Viewer for any errors related to the blank screen. Look for "Event ID 1000" in the Application log to see if any applications are stopping unexpectedly.

If these steps do not resolve the issue, further investigation may be required, possibly involving Microsoft Support for detailed analysis.

References:

• Scenario guide: Black screen after you sign in to the system
• Resolved issues in Windows 11, version 24H2