Problem: The computer displays a blue screen with an error message.
Steps to Resolve:

1. Note the error code: Write down or photograph the error message for reference.
2. Restart the computer: Sometimes a reboot resolves the issue.
3. Check for hardware changes: If you recently installed hardware, ensure it is properly connected and compatible.
4. Update drivers: Go to Device Manager and update drivers, especially for graphics and network cards.
5. Run diagnostics: Use tools like Windows Memory Diagnostic or chkdsk to test hardware stability.
6. Restore system: If all else fails, perform a System Restore to revert the system to an earlier, stable state.