ACPI Driver Update for Windows 7
Introduction
This article provides details on an update for the ACPI (Advanced Configuration and Power Interface) driver that is required for Windows 7. The update resolves an issue where multiple errors may be displayed for Unknown Devices in Device Manager when using Windows 7.Details
The ACPI driver, identified as ACPIMSFT0101 in Device Manager, is responsible for managing power and configuration settings on the computer. The update addresses an issue where the driver may not be able to properly identify and configure devices that use the Trusted Platform Module (TPM) 2.0.
The update is available as a hotfix from Microsoft and can be downloaded and installed manually. It is important to note that the hotfix is only applicable to Windows 7 operating systems.
Instructions
- Download the hotfix from Microsoft's website.
- Double-click on the downloaded file to start the installation process.
- Follow the on-screen instructions to complete the installation.
- Restart the computer to apply the changes.
After installing the hotfix, the Unknown Devices errors in Device Manager should be resolved and the devices should be properly recognized and configured.
Additional Information
- The hotfix is applicable to both 32-bit and 64-bit versions of Windows 7.
- The hotfix is not required if the computer does not have any devices that use TPM 2.0.
- For more information on the ACPI driver, refer to Microsoft's documentation.
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