-new- Acpi Msft0101 Driver 77 2021 -

What is ACPI\MSFT0101?

To ensure that you're running the latest version of the Acpi Msft0101 Driver, follow these steps:

“ACPI MSFT0101.”

If you’ve ever dug through the Device Manager on a modern Windows laptop or high-end desktop motherboard, you’ve likely been greeted by that annoying yellow exclamation mark next to a device labeled -NEW- Acpi Msft0101 Driver 77 2021

• It appears in Device Manager under “Other devices” with a yellow exclamation mark when the TPM driver is missing or not properly installed.
• The hardware is usually a TPM 2.0 chip on your motherboard.
• Common on Lenovo, Dell, HP, and ASUS systems (especially around 2016–2021 models).

Step 4: Manual Installation via Device Manager

BIOS/UEFI:

If the device is missing entirely, you may need to enter your BIOS and enable Intel PTT (Platform Trust Technology) or AMD fTPM . What is ACPI\MSFT0101

Manufacturer Updates

: Some manufacturers, such as Lenovo , released specific ACPI driver packages in late 2021 (e.g., version 21H2) to ensure compatibility with Windows 11. How to Fix "Missing Driver" Errors It appears in Device Manager under “Other devices”