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
Look for settings labeled , TPM , Intel Platform Trust Technology (PTT) , or fTPM (for AMD). Ensure the setting is Enabled . acpi ven-msft amp-dev-0101
For modern systems, the driver is part of the "inbox" set and doesn't require a separate download. Right-click the in Device Manager. Restart your PC
: 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) Intel Platform Trust Technology (PTT)