: This device is not natively supported on 32-bit Windows 7. For 64-bit Windows 7, you typically need to install a specific Microsoft Hotfix (KB2920188) to enable TPM 2.0 support. Common Fixes for Errors If the driver shows a yellow exclamation mark: Lenovo ACPI Driver for Windows 11 (Version 21H2)
If you are wondering why this error popped up recently (especially around 2021), it is almost certainly due to -NEW- Acpi Msft0101 Driver 77 2021
Updating to the latest version of the ACPI MSFT0101 driver can bring several benefits, including: : This device is not natively supported on 32-bit Windows 7
The yellow exclamation mark appears because Windows doesn't have the correct driver for this specific device. This issue is most prevalent in specific scenarios: This issue is most prevalent in specific scenarios:
Have questions? Check your manufacturer’s support forum for “ACPI MSFT0101 Driver 77” – thousands of users have confirmed this fix. Backup your data before modifying TPM drivers.