Acpi Ven-msft Amp-dev-0101 Jun 2026

Once you have completed these steps, you can verify that the error is gone: Open . The "Unknown Device" should be gone.

That was next Tuesday.

: Indicates the device is integrated into the motherboard and mapped via the system's ACPI firmware tables rather than a standard plug-and-play bus like PCIe. acpi ven-msft amp-dev-0101

: The unique device index allocated exclusively to TPM 2.0 security processors (or firmware-based equivalents like Intel PTT and AMD fTPM). Technical Purpose Once you have completed these steps, you can