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July 2nd, 2025 20:37
TPM device not found
Optiplex 5060 -- been working fine for years but since the Windows 11 update KB5060829 late June 2025 the system will not boot-up unattended. After post we get "TPM device not found" and can F1 to retry (which always allows the system to boot-up to Windows) F2 for set-up or F5 for diagnostics.
No changes were made in BIOS, but I made sure the Secure Boot section was ON and DEPLOYED.
The reason for posting this --- the 5060 is used as a remote accessed server. The console is rarely used and any shutdown, power failure, or re-set means time and travel. I figure this HAS to be a Microsoft problem but their techs tell me to reach out to Dell.
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Idaho Bob
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July 3rd, 2025 12:32
@bradthetechnut Thank you. Battery is new. SFC /scannow discovered a problem and repaired it. (don't have details) So far that seemed to fix the issue, but we're keeping our fingers crossed.
bradthetechnut
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July 3rd, 2025 02:45
The 5060 was released in 2018. Size 2032 MB batteries are usually only good around 5 years. Bad batteries affect BIOS and therefore PC operation. That could explain TPM not being found. I know it's not convenient, the 1st step would be try replacing the battery.
I also moved this thread to the Optiplex forum.
(edited)
bradthetechnut
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July 4th, 2025 02:59
Glad you got it working. :)