Msft0101 Windows 7

Resolve "Unknown Device" Error with Device Hardware ID ACPIMSFT0101

Causes of the Error

When attempting to recover or upgrade your operating system, you may encounter an "unknown device" error with the hardware ID ACPIMSFT0101. This issue typically arises when the Intel Platform Trust Technology feature is enabled in your BIOS. Windows 7 does not support this setting, leading to the error.

Steps to Resolve the Issue

To resolve the issue, follow these steps:

1. Restart your computer and enter the BIOS settings.
2. Locate the "Security" or "Advanced" tab in BIOS.
3. Disable the "Intel Platform Trust Technology" option.
4. Save your settings and restart your computer.
5. If the error persists, check your PC's BIOS for a setting to disable the Trusted Platform Module (TPM).

In some cases, installing a specific hotfix for Windows 7 64-bit may also resolve the issue. You can download the hotfix from Microsoft's website. If the problem is related to the AMD HDMI audio driver, try installing the driver directly from Realtek's website.