TechRecon Date: Late 2021 Retrospective / Evergreen Update
Meeting the strict hardware security requirements mandated by Microsoft. Why Do You Need the 2021 Driver Update?
The easiest way to get the latest signed driver is through the official Microsoft Update Catalog . Go to . -NEW- Acpi Msft0101 Driver 77 2021
Microsoft includes driver version 77 within its Windows Update catalog. Open (Win + I) and go to Windows Update . Click Advanced options , then select Optional updates . Expand the Driver updates section.
While Windows 10 and Windows 11 usually include a generic, built-in driver ( tpm.sys ) that manages this chip automatically, certain situations require a specific manufacturer or OEM driver package (such as the 2021 driver updates): TechRecon Date: Late 2021 Retrospective / Evergreen Update
While the ACPI MSFT0101 Driver 77 2021 is a reliable driver, some users may experience issues. Here are some common issues that have been reported:
Below is a comprehensive guide to understanding, diagnosing, and resolving the "-NEW- Acpi Msft0101 Driver 77 2021" error on modern Windows environments. What is the ACPI\MSFT0101 Device? Click Advanced options , then select Optional updates
Every hardware component inside your computer has a unique identifier code.
Restart your PC and press , F2 , or F12 to enter BIOS/UEFI. Navigate to the Security , Advanced , or Computing tab.
Trusted Platform Module (TPM) 2.0 or Intel Platform Trust Technology (PTT).