What is TPM-ATT-FAIL?
TPM-ATT-FAIL shows up as a critical-severity motherboard fault. The Trusted Platform Module failed to verify the identity of the hardware. It's most often caused by dead battery CR2032, short circuit on the motherboard, aborted BIOS update process and age of capacitors. The steps below are ordered to resolve this efficiently.
Common Causes
- Dead battery CR2032
- Short circuit on the motherboard
- Aborted BIOS update process
- Age of capacitors
Step-by-Step Fix Guide
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1
Replace the CMOS battery on the motherboard
As a first move, Replace the CMOS battery on the motherboard handles the most common scenario behind TPM-ATT-FAIL.
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2
Use the USB BIOS Flashback function (if the board has a button)
Persistent cases usually stem from less common mobo instability factors, which the following steps are built to catch.
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3
Check the rear I/O panel for a short
"Check the rear I/O panel for a short" is worth trying when short circuit on the motherboard turns out to be the culprit.
Commands & Diagnostics
systeminfo | findstr /C:"BIOS Version"
Frequently Asked Questions
TPM-ATT-FAIL is most often triggered by dead battery CR2032. Other reports point to short circuit on the motherboard, aborted BIOS update process and age of capacitors as contributing factors.
Try "Replace the CMOS battery on the motherboard" first — it resolves most TPM-ATT-FAIL cases on its own. Only work through the rest of the guide above if it comes back.
TPM-ATT-FAIL is rated critical severity in our database. It's worth acting on quickly rather than letting it recur.
In most cases, yes — the guide above resolves TPM-ATT-FAIL without a clean install. Treat a reinstall as the last resort, not the first move.
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