Here are some steps you may consider to try and fix the blue screen error:

1. Check that your monitor cable is properly attached to the computer and the display device.
2. Check if any recent hardware or software changes have been made to your system.
3. Perform a full system scan with updated virus definitions.
4. Configure your computer to create a system restore point.
5. Attempt to restore the system's state to the date of prior to the blue screen error.
6. Update drivers to the latest version available.
7. Perform a clean boot of the system to identify and troubleshoot processes that may be causing the issue.