Latest ACPI Driver Issue on Windows 7 Devices
Key Points
* Intel advises using only Skylake processors for Windows 7 operating systems. * There is no 32-bit driver for Windows 7, but a 64-bit hotfix is available. * Users running Windows 7 32-bit may need to disable Trusted Platform Module (TPM) in BIOS settings.Details
The Advanced Configuration and Power Interface (ACPI) Driver is an essential component for power management on Windows-based Intel NUC devices. Recently, users running Windows 7 have encountered an issue with the ACPI Driver, resulting in an unknown device in Device Manager.
Intel has confirmed that this issue occurs when the Intel Platform Trust Technology option is enabled in BIOS. To resolve this problem, follow these steps:
- Go to Start > Settings > Update & Security > Windows Security > Device Security.
- Under "Security processor," select "Security processor details."
- Select "Security processor troubleshooting" and then click "Clear TPM."
- Restart your device to complete the process.
Additional Information
If you continue to experience issues after following these steps, try the following additional solutions:
- Download and install the latest ACPI driver from the Intel website.
- Update your BIOS to the latest version.
- Disable Trusted Platform Module (TPM) in BIOS settings.
For more information and troubleshooting assistance, please refer to the following resources:
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