What is TPM-NOT-FOUND?
TPM-NOT-FOUND is a medium-severity hardware BIOS/UEFI problem. Windows 11 or BitLocker does not find the TPM 2.0 module. The usual suspects are TPM disabled in BIOS, missing physical TPM and old firmware. See the troubleshooting steps below for the fix.
Common Causes
- TPM disabled in BIOS
- Missing physical TPM
- Old firmware
Step-by-Step Fix Guide
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1
Enable TPM 2.0 / fTPM in the BIOS/UEFI settings
The highest-success first step is Enable TPM 2.0 / fTPM, which targets the most common trigger behind TPM-NOT-FOUND.
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2
Update the motherboard BIOS to the latest version
If the fault persists, continue with the next steps, which account for less common bios instability causes.
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3
Check TPM status in Device Manager under Security Devices
"Check TPM status in Device Manager under Security Devices" is the next step worth ruling out for TPM-NOT-FOUND.
Commands & Diagnostics
tpm.msc
Get-Tpm
Frequently Asked Questions
In most cases, TPM disabled in BIOS is behind TPM-NOT-FOUND. Missing physical TPM and old firmware can trigger it too.
Most TPM-NOT-FOUND reports resolve after "Enable TPM 2.0 / fTPM in the BIOS/UEFI settings". The rest of the guide above is there for the cases that don't.
TPM-NOT-FOUND is a medium-severity issue. It can affect system stability, but the fix steps above typically resolve it without lasting damage.
Usually. TPM-NOT-FOUND is fixable with the steps above; a full Windows reinstall is rarely necessary unless everything else has failed.
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