Acpi Ven-msft Amp-dev-0101 | Best Pick |

Restart your computer after installation. This update allows Windows 7 to recognize the ACPI\MSFT0101 hardware ID as a security device. 3. Refresh Drivers in Windows 10/11

The string ACPI VEN-MSFT AMP-DEV-0101 refers to a specific hardware identifier in a computer’s ACPI (Advanced Configuration and Power Interface) table. In practical terms, it often relates to a "Microsoft Ambient Light Sensor" or a similar embedded sensor device on modern laptops (like the Surface line). acpi ven-msft amp-dev-0101

: This part indicates the vendor of the device. "VEN" stands for Vendor, and "MSFT" is a code for Microsoft Corporation. This suggests that the device or component is from or supported by Microsoft. Restart your computer after installation

However, because it is related to Windows Updates, leaving it unresolved could theoretically hinder the "Update Health Tools" from running diagnostics in the background. Refresh Drivers in Windows 10/11 The string ACPI

: If you are using Windows 7 and do not need BitLocker, you can simply Disable this in the BIOS to remove the "Unknown Device" warning from Device Manager. 2. Install the Windows 7 Hotfix (KB2920188)

User reported: ACPI MSFT0101 error after clean-installing Windows over Ubuntu. Solution: The laptop shipped with an Intel AOAC power management interface. Installing the Dell "Intel Chipset Device Software" driver pack resolved it.