Acpi Msft0101 Driver __hot__ Download (2026)

In up to 80% of cases, the ACPI MSFT0101 error appears not because the driver is missing, but because the TPM is in the BIOS. When disabled, Windows sees the hardware ID but cannot load the driver.

: This device is generally not supported on 32-bit (x86) versions of Windows 7. How to Fix "Unknown Device" (ACPI\MSFT0101) Acpi Msft0101 Driver Download

The driver is OEM-specific. Go to support page of: In up to 80% of cases, the ACPI

: Ensure TPM or Intel Platform Trust Technology (PTT) is enabled in your BIOS/UEFI security settings. In up to 80% of cases

If Windows Update fails, the driver is part of your motherboard's Intel Management Engine (ME) For Laptops (Dell, HP, Lenovo):