Follow these troubleshooting steps in order to resolve the unknown device error. Step 1: Enable TPM in your BIOS/UEFI
He checked the memory region again. A new line appeared, written in real time:
If that fails, right-click the device again and select .
Go to (Windows 10) or Windows Update (Windows 11). Click Check for updates . Click on Advanced options > Optional updates .
If that fails, visit your manufacturer’s support site (e.g., HP Support, Dell Support, or Lenovo Support) and download the latest or Intel Management Engine drivers. acpi ven-msft amp-dev-0101
Send help.
Then the system’s Modern Standby is broken. Solutions:
False. The hardware ID VEN-MSFT is digitally signed by Microsoft. Malware cannot spoof this in Device Manager.
[Power On Computer] ➔ Press F2/Del ➔ Navigate to Security ➔ Toggle TPM/PTT ➔ Save & Exit Shut down your PC completely. Follow these troubleshooting steps in order to resolve
: Run Windows Update to see if it automatically fetches the "Security Devices" driver. Manual Driver Install : Right-click the "Unknown Device" in Device Manager . Select Update driver > Search automatically .
Device Manager, Event Viewer, or tools listing ACPI/PNP identifiers on Hyper-V guests, WSL instances, Surface devices, or machines with Microsoft virtualization features enabled.
: Advanced Configuration and Power Interface, the standard for hardware discovery. VEN_MSFT : Indicates the "Vendor" is Microsoft.
: The device ID for the Trusted Platform Module (TPM). Go to (Windows 10) or Windows Update (Windows 11)
Alternatively, if you do not use BitLocker or specialized security features, you can safely in your BIOS/UEFI settings to remove the error from Device Manager. 3. Manufacturer-Specific Drivers
Before diving into the specifics of VEN-MSFT AMP-DEV-0101, it's essential to have a basic understanding of ACPI. ACPI is an open standard that allows the operating system to control the power management of devices in a computer. It provides a way for the operating system to interact with hardware devices, such as the processor, memory, and storage devices, to manage power consumption and configuration.
If unsuccessful, choose and point the search path to C:\Windows\System32\drivers . 4. Enable Integration Components in VM Settings