Windows 11 Unable to activate Windows after clearing CMOS Error 0x803FABC3

  • Thread starter Thread starter LordThanos23
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LordThanos23

I brought a copy of Windows 10 from MS Store and then updated to Windows 11. Everything was fine. Then I installed new RAM and it wasnt working right and I noticed on the Corsair site if you are getting memory error you can try clearing CMOS to correct it so I did. Now I have a new set of RAM but Windows wont activate. I believe the core issue is I installed a TPM module so I could upgrade to Windows 11 and now I cannot turn off Secure Boot again and Windows Activation fails to see computer as the same device.Device name HomeDesktop Processor Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz 3.19 GHz

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