Fix: I Can’t Reinstall Windows 11 Because of TPM 2.0 (Step-by-Step Guide 2026)

 


I can’t reinstall Windows 11 because of TPM 2.0. Are you getting a TPM 2.0 error while reinstalling Windows 11? You’re not alone. Many users face this issue when reinstalling Windows 11 due to a missing or disabled TPM 2.0.

This guide shows quick fixes to bypass or enable TPM 2.0 so you can reinstall Windows 11 successfully.

Why Windows 11 Requires TPM 2.0

Microsoft requires TPM 2.0 for:

  • Better security
  • BitLocker encryption
  • Secure boot protection
  • Malware prevention

If TPM 2.0 is disabled or missing, Windows 11 installation fails.

Common Error Messages

You may see:

  • “This PC can’t run Windows 11.”
  • “TPM 2.0 is required.”
  • “Secure Boot not enabled.”

Step-by-Step Guide: I Can’t Reinstall Windows 11 Because of TPM 2.0

Fix 1: Enable TPM 2.0 in BIOS (Best Solution)

Most computers already have TPM 2.0 but it’s disabled in BIOS.

Step-by-Step

  1. Restart your PC
  2. Press BIOS key:
    • F2
    • DEL
    • ESC
    • F10
  3. Go to the Security or Advanced tab
  4. Find TPM settings:

You may see:

  • Intel → PTT (Platform Trust Technology)
  • AMD → fTPM
  1. Enable TPM
  2. Save and Exit

Restart and reinstall Windows 11.

Fix 2: Enable Secure Boot

Windows 11 also requires Secure Boot.

Steps:

  1. Enter BIOS
  2. Go to the Boot tab
  3. Enable Secure Boot
  4. Save changes

Now try installing again.

Fix 3: Bypass TPM 2.0 Requirement (Quick Fix)

If your PC doesn’t support TPM 2.0, you can bypass the requirement.

During Windows installation:

When an error appears:

Press:

Shift + F10

Command Prompt opens.

Type:

regedit

Go to:

HKEY_LOCAL_MACHINE\SYSTEM\Setup

Create new key:

LabConfig

Inside, create DWORD values:

BypassTPMCheck = 1
BypassSecureBootCheck = 1
BypassRAMCheck = 1

Close Registry Editor
Continue installation

This bypasses TPM requirements.

Fix 4: Use Windows 11 Installation Media Tool

Use official installer:

Windows 11 Installation Assistant

Steps:

  1. Download tool
  2. Run installer
  3. Follow instructions

This sometimes bypasses the TPM check automatically.

Fix 5: Check TPM Status in Windows

Before reinstalling, check TPM status:

Press:

Windows + R

Type:

tpm.msc

If you see:

  • TPM ready → Good
  • TPM not found → Enable BIOS

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