: If you are using Windows 7 and do not need BitLocker, you can simply Disable this in the BIOS to remove the "Unknown Device" warning from Device Manager. 2. Install the Windows 7 Hotfix (KB2920188)

: These versions have native, built-in support for TPM 2.0. If it appears as "Unknown," it is likely due to a corrupted driver registration or a BIOS setting conflict.

Restart your computer and enter the (usually by pressing F2, F10, or Del during boot).

For modern systems, the driver is part of the "inbox" set and doesn't require a separate download. Right-click the in Device Manager.

Download the from an official archive or the Microsoft Update Catalog .

If you are on Windows 7 64-bit, you must install a specific update to enable TPM 2.0 support.

Restart your PC. Windows should automatically detect and reinstall the correct Intel(R) Trusted Platform Module driver upon reboot. Trusted Platform Module 2.0 Driver for BIOSTAR

The device cannot function if it is partially disabled at the hardware level.

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