Update BIOS to Fix MSI Unsupported Processor BSOD in Win11

MSI motherboard users encounter Windows 11's "unsupported processor" blue screen of death? MSI releases BIOS update to fix this issue!

Recently, the KB5029351 update released by Microsoft has caused some Windows 11 users to encounter the "UNSUPPORTED_PROCESSOR" (UNSUPPORTED_PROCESSOR) blue screen of death problem. The screen says "Your device has problems and needs to restart. We will restart for you. If you contact support, please provide the following information: Stop code: UNSUPPORTED_PROCESSOR".

This blue screen error is related to MSI motherboards, but not all MSI motherboards will experience this problem. According to MSI's official confirmation, this problem only affects computers equipped with Intel 700 and 600 series motherboards and Intel's 13th-generation Core i9 processors, and only appears after installing the following Windows updates: Windows 11 22H2 (KB5029351), Windows 11 22H1 (KB5029332) and Windows 10 22H2 (KB5029331). The root cause is related to the firmware settings of Intel hybrid architectures.

Related Reading: How to Fix "Unsupported Processor" Blue Screen of Death in Windows 10/11

MSI BIOS update solves the "Unsupported Processor" blue screen issue

When you encounter this problem, you can uninstall the problem KB update to temporarily resolve the issue, but it is not a long-term solution. If you want to keep the KB5029351 update, MSI has released a new BIOS update for its 600 and 700 series motherboards to resolve this issue. MSI said all BIOS updates will be available by the end of September.

This update is available for 13th generation and later processors. The new BIOS will include an Intel CPU uCode update to prevent the "Unsupported Processor" error message from reappearing.

You can download the corresponding BIOS update from the official MSI website. Visit the page, find the corresponding section, and click the link to download the BIOS that matches your motherboard model.

How to update MSI BIOS to fix "Unsupported Processor" Blue Screen of Death

Here are the steps to update the MSI BIOS using M-FLASH:

Step 1: After downloading the BIOS updated .zip file, unzip everything and copy the BIOS file to the USB flash drive.

Step 2: Eject the USB drive and restart your computer.

Step 3: Press the Del key on the keyboard to enter BIOS and M-Flash.

Step 4: Select your USB drive and downloaded BIOS file. The BIOS will then start updating. After the update is completed, Windows will automatically restart. You can watch the video provided by MSI to learn more – https://www.php.cn/link/cf464bd17a01821f7d045dddfc49ccf7 .

Summarize

After installing the KB5029351 update, does your Windows 11 system experience the MSI "unsupported processor" blue screen of death problem? Now you can follow the steps above to resolve this issue, provided your computer is using 600 and 700 series motherboards.

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