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Weird Ryzen 5800x3D TPM Issue

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Hi All,

So, I'm needing to get some advice on a weird problem I'm experiencing with one of my PC's. The machine in question was given to me by a friend and it had a Ryzen 5 3600 CPU slotted into a MSI B450 Tomahawk Max II mobo. The machine seemed to be working with no issues until I was subsequently given a (new) Ryzen 7 5800x3D chip and swapped the CPU's out. After I did the CPU swap out, the machine experienced issues with TPM not being properly detected. For example, I would go into Windows Security -> Device security and it would randomly switch between having no option for "Security Processor" visible and saying that the device doesn't meet the requirements for standard security and then it would display the Security Processor option and say the device did meet requirements for enhanced security. It also says under the status for the Security Processor "Attestation: Not Supported".

I've tried flashing the mobo to the latest BIOS available for it and also reset TPM but neither option made a difference and I still experience the issue. Also have reset the BIOS all to defaults but that didn't improve the situation either.

I was wondering if anyone here has seen this issue and knows of a way to actually fix it? If you do, would very much appreciate any advice on this and if further info is needed, just ask.

Cheers to anyone who replies!
 
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Joined
Jul 28, 2016
Messages
160 (0.05/day)
Location
Sydney, Australia
System Name Main Gaming Rig
Processor Intel Core i7 14700K
Motherboard Asus ROG Maximus Z790 HERO (Wi-Fi)
Cooling Noctua NH-D15S chromax.black
Memory G.Skill Trident Z5 RGB 64 GB (2 x 32 GB) DDR5-6400 CL32 Memory
Video Card(s) ASUS ROG Strix RTX 4080 GAMING OC
Storage 3 x Samsung 980 Pro 2 TB M.2 nVMe SSD's
Display(s) Asus ROG VG27A 27" 16:9 2560x1440 144/165Hz & Asus PB278Q 27” 16:9 2560x1440
Case Fractal Design Torrent RGB ATX Mid Tower Case
Audio Device(s) Onboard
Power Supply Seasonic Vertex ATX 3.0 80 Plus Platinum 1000W
Mouse Razer DeathAdder Chroma v2
Keyboard Razer Blackwidow Chroma v2
Software Windows 11 Pro 64 Bit
Insert old cpu, boot windows and clear tpm. shutdown. Then boot to uefi and clear tpm state from there as well. Shutdown.

Swap in new cpu, re-enable tpm, boot to windows. This should fix it.

Here is a link to the microsoft tpm troubleshooting guide, it may prove useful.

https://learn.microsoft.com/en-us/w...ip-of-the-tpm#clear-all-the-keys-from-the-tpm
Ahhh damn ok so I'll need to swap back in the old CPU. Annoying but I'll have to give it a go and see if that actually fixes the problem.
 
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