How to Fix the Unknown Device Hardware ID ACPI MSFT0101

What is the ACPI MSFT0101 Device?

The ACPI MSFT0101 device is a Trusted Platform Module (TPM) module. A TPM module is a hardware component that provides security features for a computer, such as encryption and secure storage. The ACPI MSFT0101 device is a common component in many Windows computers.

Why is the ACPI MSFT0101 Device Unknown?

The ACPI MSFT0101 device may be unknown because it does not have a driver installed. A driver is a software program that allows the computer to communicate with the device. Without a driver, the computer will not be able to recognize the device and will display it as an unknown device in the Device Manager.

How to Fix the Unknown Device Hardware ID ACPI MSFT0101

To fix the unknown device hardware ID ACPI MSFT0101, you need to install the correct driver. You can download the driver from the Microsoft website or from the website of the manufacturer of your computer.

Once you have downloaded the driver, double-click on the file to install it. Follow the instructions on the screen to complete the installation.

If you are still having problems with the ACPI MSFT0101 device, you can try the following steps:

• Restart your computer.
• Update your BIOS.
• Reset your TPM module.
• Contact Microsoft support.

By following these steps, you should be able to fix the unknown device hardware ID ACPI MSFT0101.

**Additional Information**

The ACPI MSFT0101 device is also known as the "Trusted Platform Module 2.0 (TPM 2.0) Device". TPM 2.0 is a newer version of TPM that provides enhanced security features.

If you are using Windows 10, you can check if your computer has a TPM 2.0 module by following these steps:

1. Open the Device Manager.
2. Expand the "Security devices" category.
3. Look for a device called "Trusted Platform Module 2.0".

If you see this device, then your computer has a TPM 2.0 module.