Intel Motherboards - Restore original microcode?

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Restore original microcode?

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=18204
Printed Date: 27 Jul 2025 at 8:40pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Restore original microcode?

Posted By: egoshman
Subject: Restore original microcode?
Date Posted: 23 Feb 2021 at 12:25am

Updated the bios of my H77M motherboard to an Asrock beta bios version 1.70. The upgrade updated the microcode on the CPU and now I cannot boot to Windows 10 (32 bit version).

Reverting back to bios version 1.60 did not restore the microcode on the CPU.

How can I revert back to the original microcode on the CPU? Is microcode uploaded permanently to the CPU, or is it stored in the bios chip and uploaded each time the PC is booted?

Thanks.