Acpi Msft0101 Driver Windows 7 Free Exclusive [2025]

Understanding ACPI Drivers

ACPI (Advanced Configuration and Power Interface) drivers are crucial for the proper functioning of your computer's hardware and power management features. The "MSFT0101" likely refers to a specific device or piece of hardware on your system that requires an ACPI driver.

Step-by-Step Guide:

  1. On a working Windows 10 PC, navigate to:
    C:\Windows\System32\DriverStore\FileRepository\

  2. Search for a folder named starting with tpm.inf or tpmwmi.inf. Example:
    tpm.inf_amd64_xxxxxxxx

  3. Copy that entire folder to a USB drive.

  4. On your Windows 7 machine, open Device Manager.

  5. Right-click on ACPI MSFT0101 → Update Driver Software. acpi msft0101 driver windows 7 free

  6. Select "Browse my computer for driver software".

  7. Click "Let me pick from a list of device drivers on my computer".

  8. Click "Have Disk" and browse to the folder you copied from Windows 10.

  9. Select the tpm.inf file and click Open → OK.

  10. Choose "Trusted Platform Module 2.0" from the list and click Next. On a working Windows 10 PC, navigate to:

  11. Ignore the "Driver not intended for this platform" warning (if it appears) and click Install anyway.

  12. After installation, reboot.

Your Windows 7 will now recognize the TPM, and the ACPI MSFT0101 driver will be active.

What is "ACPI MSFT0101"?

The ACPI MSFT0101 entry stands for Trusted Platform Module (TPM) 2.0. TPM is a security chip on your motherboard that handles encryption, password storage, and Windows features like BitLocker.

Windows 8.1 and Windows 10 have native drivers for TPM 2.0. Windows 7 was designed before TPM 2.0 existed, so it does not include a built-in driver for this hardware. Search for a folder named starting with tpm

Step 1: Confirm the Hardware ID

Before downloading anything, ensure this is definitely the issue you are facing.

  1. Open the Start Menu, right-click Computer, and select Manage.
  2. In the left pane, click Device Manager.
  3. Look for the "Unknown Device" (usually under "Other devices").
  4. Right-click it and select Properties.
  5. Go to the Details tab and change the property dropdown to Hardware Ids.
  6. If you see ACPI\MSFT0101 or MSFT0101, you have found the culprit.

Method 2: Use the Windows 8/10 Driver (Manual Install)

Since the TPM hardware is identical, you can extract the driver from a Windows 8.1 or Windows 10 installation and manually point Windows 7 to it.

This method is 100% free and does not require third-party tools.

🔁 Alternative: Accept the error

If you don’t use TPM-dependent software (most home users don’t), you can safely ignore the yellow mark. It does not affect gaming, office work, or internet browsing. But the free driver above will clean up Device Manager completely.

Method 3: Intel Chipset Driver Installation Utility

Sometimes, the ACPI MSFT0101 error is a side-effect of an incomplete chipset driver installation. Installing the latest Intel Chipset INF Utility can resolve it.

What If None of the Above Works? (BIOS Settings)

If you have tried all three methods and the ACPI MSFT0101 driver for Windows 7 free still shows an error, the problem might be BIOS-related.