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Error when starting the computer with Windows *: MACHINE_CHECK_EXCEPTION

What do you see?

Windows failed to start the computer * Computer Validation Exception (MCE)


On VMware * ESXI operating systems, this is known as the Purple Screen of Death (PSOD).


Reasons for this error
A Blue Screen of Death (BSoD) error "Exception in computer verification" appears when the system is unable to load or detect installed hardware or software. These are the main reasons that cause this error:

  • Problematic or incorrectly configured drivers
  • Missing or problematic system files
  • Security software
  • Problematic CPU fans

These are the main reasons for this error, but there may be other causes that are not common.

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Tips to fix the problem

  • Remove recently installed drivers, software, or hardware: When you've added new hardware, you can disconnect it and run the PC. See if the computer scan exception keeps encountering them.
  • Check CPU and PSU fans: Sometimes you may find that fans are very slow or stuck, which could cause the system to overheat. In this case, you need to clean them or replace them with new ones.
  • Update Windows and Drivers: Sometimes outdated drivers that are not compatible with the latest build of your operating system can lead to blue screen errors. Updating drivers can fix this problem.
  • Run Safe Mode: When your PC opens, numerous services load when it starts. Sometimes this can lead to a conflict. You can start in Safe Mode and remove recently installed drivers, programs, or Windows updates. If you need to update drivers, you can start up in Safe Mode with Networking.
  • System recovery: If you think that doesn't work. You can try a system restore. This will bring your PC's environment to an earlier point in time when this problem was not before you.
  • Fix Machine_Check_Exception Installation of virtualization software:Some users have reported that they only see this BSOD version when trying to run virtual desktop type software. This can occur with memory issues or BIOS issues. In this case, the solutions above can help. You can also use the following options:
    • Diagnosing and fixing RAM problems. (Run Windows Memory Diagnostics.)
    • Update the BIOS.

Updating the BIOS is critical. You have to do this carefully. All instructions can be found on the website of your PC manufacturer.

Cause & further information:

Similar topics:

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Determine whether the unresponsive virtual machine and ESX host are caused by hardware problems

The information in this article was used by our customers but has not been tested, fully replicated, or validated by Intel. The individual results may vary. All publications and use of the content on this website are subject to the website's terms of use.