TPM Hardware ID Issue: Troubleshooting "ACPI MSFT0101" in Windows

Understanding the Unknown Device

If you encounter the unknown device hardware ID "ACPI MSFT0101" in your Windows system, it likely indicates an issue with the Security Chip Trusted Platform Module (TPM).

No Driver for Windows 7 32-bit

Unfortunately, there is no official Windows 7 32-bit driver available for this device. If you are running Windows 7 32-bit, you will need to consider upgrading to the 64-bit version.

Solution for Windows 7 64-bit

For Windows 7 64-bit users, a workaround is available in the form of a hotfix. You can download and install this hotfix to resolve the issue.

TPM Details

In the device manager, you may see the following details for the device:

• Description: ACPI MSFT0101
• Class: System
• Location: Varies

TPM Driver Status

As mentioned earlier, there are no standalone drivers for the TPM module itself. The system will automatically install the necessary drivers.

Tips for Windows 10 Users

If you are running Windows 10 21H1, the TPM 2.0 module should install automatically. If you encounter any problems, you can try the following:

• Check the TPM settings in BIOS
• Install the latest Windows updates
• Use the Windows Troubleshooter

Troubleshooting Additional Issues

If the device is giving you further issues with starting, try the following:

• Restart your computer
• Update the motherboard BIOS
• Check for any hardware conflicts

By following these steps, you should be able to resolve the ACPI MSFT0101 hardware ID issue and ensure the proper functioning of the TPM module on your Windows system.