Want to Fix MICROCODE_REVISION_MISMATCH? Try These Ways!

The Blue Screen of Death error is a problem that most Windows users encounter during computer operation. It forces the PC to shut down and restart automatically. Most blue screen errors disappear after the PC restarts.

However, recurring BSOD errors such as MICROCODE_REVISION_MISMATCH (bug check 0x0000017E) can indicate a serious problem. It indicates that one or more processors in a multiprocessor configuration have inconsistent microcode loaded.

If you are bothered by this BSOD error, you can try the following methods to solve it. If you cannot boot your PC normally when you encounter this issue, you can boot into Safe Mode, and then try the solutions below.

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Fix 1. Run SFC and DISM

Corrupted system files can be one of the main reasons for the MICROCODE_REVISION_MISMATCH BSOD error. Run SFC and DISM to ensure that the system file integrity is intact. Here are the steps:

Step 1: Press the Win + R key to open the Run dialog. Type cmd in the text box and then press Ctrl + Shift + Enter to open Command Prompt as an administrator.

Step 2: In the Command Prompt window, type sfc /scannow and then press Enter.

Step 3: Once the process ends, restart your PC and open the elevated Command Prompt again.

Step 4: After that, type the following commands and press Enter.

• Dism /Online /Cleanup-Image /CheckHealth
• Dism /Online /Cleanup-Image /ScanHealth
• Dism /Online /Cleanup-Image /RestoreHealth

Fix 2. Uninstall the Latest Windows Update

If the blue screen error appears after the latest Windows Update, then Windows Updates were not installed correctly. The easiest way to deal with this is to uninstall the latest updates and then reinstall them.

1. Type control panel in Windows Search and press Enter.
2. Select Programs > Uninstall a program.
3. Click View installed updates on the left side of the window.
4. Sort all updates by date.
5. Right-click the latest update and select Uninstall.
6. Follow the on-screen instructions.

Fix 3. Update Drivers

Device drivers are an integral part of the Windows operating system. Many problems can be caused by incompatible or corrupted drivers. So, you should try to update the outdated drivers to solve the BSOD error. Here is the guide:

1. Right-click on the Start menu and select Device Manager.
2. In the Device Manager window, expand each category and see if any of them has a yellow exclamation mark next to it. Then right-click the device and select Update driver from the drop-down menu.
3. In the new window, click on Search automatically for drivers. Then follow the on-screen instructions, and the drive should be updated to the latest version.

Fix 4. Run the Windows Memory Diagnostics Tool

If you get this MICROCODE_REVISION_MISMATCH BSOD error, then this also indicates that the problem could be with your computer’s memory. You should check the RAM.

1. Press the Win + R keys to open the Run window.
2. Type mdsched.exe in it and click OK to open Windows Memory Diagnostic.
3. In the pop-up window, click on Restart now and check for problems (recommended). Then your computer will restart automatically.

Fix 5. Check Your PC for Malware

Malware can also cause various Windows problems. To check if this is the case, you should run a full system scan of your PC. To do this, you can use Windows Defender to perform a full scan.

1. Type Windows Security in Windows Search and press Enter.
2. Select Virus & threat protection and choose Scan options.
3. Select Microsoft Defender Offline scan and click Scan now.
4. Your computer will immediately restart and begin a full scan.

Fix 6. Reset Windows

If the above methods don’t help, try resetting Windows. It could help you solve the MICROCODE_REVISION_MISMATCH BSOD error.

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Bottom Line

This post offers six solutions to fix the MICROCODE_REVISION_MISMATCH BSOD error. You can try them to get rid of it.

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