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Ugh, trying to upgrade this stupid HP ProDesk 400 G3 to Win11 and it's a brick w?

https://www.windowupgradehelp.com/viewtopic.php?t=68

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Posted: Tue Jan 13, 2026 3:19 pm
by 851bblbrw
Agreed. Also, make sure you've got the latest BIOS update from HP's website, as that can sometimes enable proper TPM support.

Posted: Tue Jan 13, 2026 8:57 pm
by sfeh2309
+1 Yeah, and after you flash the BIOS, double-check that the TPM is actually set to "Enabled" and not just "Available" in the security settings. Let me know if that works.
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