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Here are a few steps you can take to troubleshoot and potentially resolve the problem without reinstalling the OS:
Check for Updates: Ensure that your server has all the latest Windows updates, including cumulative updates and patches. Sometimes, these updates can resolve known issues.
Review Event Logs: Check the Event Viewer for any critical errors or warnings that might give you more insight into what is causing the server to hang or display a blank screen.
Memory Check: Perform a memory diagnostic to rule out any issues with the RAM. Faulty memory can cause system instability.
Clean Boot: Try performing a clean boot to see if the issue is caused by third-party applications or services. This can help isolate the problem.
How to perform a clean boot in Windows - Microsoft Support
Safe Mode: Boot the server in Safe Mode to see if the issue persists. If the server runs fine in Safe Mode, it could indicate a problem with a driver or service that runs during normal operation.
Windows startup settings - Microsoft Support
Best Regards,
Wesley Li