Acpi Msft0101 Driver Windows 7 ~repack~ -

Search for using your web browser. Download the architecture version that matches your system: x86 for 32-bit systems. x64 for 64-bit systems.

Windows 7 does not use TPM 2.0 for any core OS feature:

For users who prefer manual control:

: If you are not using BitLocker or specialized security software that requires a hardware TPM, you can safely ignore the "Unknown Device" or disable it in the Device Manager . How to Install the Driver Acpi Msft0101 Driver Windows 7

: Microsoft originally released KB2920188 to add TPM 2.0 support. While many official Microsoft download links for this are now retired, some manufacturers provide archived versions:

If you don't use BitLocker or other security features that require a TPM, the easiest way to remove the error is to hide the hardware from the operating system entirely.

ACPI is a standard for managing power and configuration of hardware devices on a computer. It was introduced in the late 1990s as a replacement for the older APM (Advanced Power Management) standard. ACPI allows the operating system to control the power state of hardware devices, such as the CPU, memory, and peripherals. Search for using your web browser

Restart your computer to see if the device resolves itself or shifts names. Summary Checklist Expected Result Install Microsoft Hotfix KB2920188 Device is recognized as TPM 2.0 Remove Error Quickly Turn off Intel PTT / TPM in BIOS Device disappears from Device Manager Fix Infrastructure Update Intel Chipset INF Drivers System stability and correct ACPI mapping To help find the correct fix for your setup, let me know: Is your Windows 7 system 32-bit or 64-bit ?

Restart your computer and press the designated setup key (usually , F10 , F12 , or Del ) to enter the BIOS/UEFI layout. Navigate to the Security or Advanced tab.

: Open Device Manager. The device should now be listed under Security Devices as "Trusted Platform Module 2.0". Windows 7 does not use TPM 2

If your business or security policy requires TPM functionality (like BitLocker), you have two legitimate options:

Users performing a clean install of Windows 7 on modern laptops or desktops often encounter an entry in the Device Manager listed under "Other devices" as Unknown Device . Checking the hardware ID (usually by right-clicking the device > Properties > Details > Hardware IDs) reveals the code ACPI\MSFT0101 or MSFT0101 .

ACPI\MSFT0101 identifier refers to the Intel Platform Trust Technology (PTT) , which provides TPM 2.0 (Trusted Platform Module)