TPM 2.0 Error Windows 11 Fix [2026]

Quick Answer: TPM 2.0 error because it's disabled in BIOS or firmware outdated. Reboot to BIOS, enable "Intel Platform Trust Technology" or "AMD fTPM," then clear and restart TPM in Windows.

Symptoms

"This PC can't run Windows 11" TPM error
"TPM not detected"
BitLocker won't work
Windows 11 upgrade blocked

Root Cause

TPM disabled in BIOS, outdated firmware, or corrupted TPM state.

Fix

Method 1: Enable TPM in BIOS

Reboot → Press F2/Del for BIOS
Security → TPM Security → Enable
Intel: "Platform Trust Technology" → Enabled
AMD: "fTPM" → Enabled

Method 2: Check TPM Status

Get-Tpm | Select-Object TpmPresent, TpmReady, TpmEnabled

Method 3: Clear TPM

tpm.msc → Actions → Clear TPM
Restart and follow BIOS prompts

Method 4: Update BIOS

Download latest BIOS from motherboard manufacturer.

How Againly Helps

Againly can inspect the relevant local evidence and propose a fix plan for review.

[CTA: Try free diagnosis]

Related: BitLocker Recovery Key Fix

Evidence-led support

Want help diagnosing this on your PC?

Againly checks the local evidence and shows you a proposed plan before making changes.

Download Againly Free →

Diagnosis-first coverage: executable changes are offered only when this PC's evidence and available capabilities support them.

Works on Windows 10 & 11 · No credit card required