The firmware-based implementation of the Trusted Platform Module (or TPM), something users normally need to use Windows 11, has plagued AMD Ryzen users for some time. But finally, AMD and its motherboard partners are rolling out BIOS updates that fully patch the bug, although not all boards have received the patch yet.
TPM can run either in the motherboard firmware (where the BIOS is stored) or on its own dedicated hardware, and in order to use Windows 11 TPM must be enabled. Ryzen CPUs have experienced stalling with TPM enabled, prompting AMD to recommend that users disable the security feature.
The TPM is usually soldered to the motherboard, but add-on modules are also available. Image used with permission of the copyright holder
Unpatched Ryzen PCs running TPM firmware suffer from severe stuttering when TPM is running in the background. It’s a CPU and motherboard problem, not a Windows problem, and while the bug has been around for a while, it only became a problem when users started upgrading to Windows 11. Windows 11 requires TPM to be enabled.
The only way to fix the error without disabling the TPM is to get a hardware module and put it on the motherboard. Users who disable TPM can still use Windows 11, but without future updates. Obviously, this was not acceptable to the vast majority of users, which is why AMD and motherboard manufacturers are pushing BIOS updates that correct the error and allow firmware-based TPM to be used without issue.
This is not the first problem Windows 11 has had with Ryzen processors (even the best Ryzen CPUs). Ahead of launch, AMD warned that Windows 11 could slow gaming performance by up to 15%, for example. Fortunately, this issue, among others, has been resolved since launch.
How to fix TPM stuck on Windows 11
BIOSes that contain the bug fix have AGESA microcode version 1207 or 1.2.0.7. Microcode updates come directly from AMD and are sent to the company’s motherboard partners, and from there it’s up to them to distribute the new microcode in the form of new BIOS updates. This means that each individual board will receive its own update, so not all motherboards have or will receive the new AGESA microcode at the same time.
Most motherboards have already received BIOS updates with bug fixes. According to Tom’s Hardware, many manufacturers such as MSI and Gigabyte have already updated almost every single AMD motherboard they’ve ever released. But some motherboards have yet to receive the update, and it is not known exactly when those laggards will finally receive a new BIOS with a patch. Hopefully every Ryzen motherboard will get an update at some point.
If you buy a new motherboard, it will probably come with a microcode update. If not, be sure to read our guide on how to update BIOS to fix Ryzen freezing on Windows 11.
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Source: newstars.edu.vn