Windows Hello facial recognition and PIN logins utilize TPM 2.0 for credential storage.
Press to save your changes and exit. Your computer will reboot into Windows. Step 2: Download the Official ACPI MSFT0101 Driver
Restart your computer and repeatedly tap the BIOS key (usually F2 , F12 , Del , or F10 ) during bootup. Navigate to the , Advanced , or Boot tab.
If you have downloaded a driver package (often a .zip or .inf file): Acpi Msft0101 Driver Download
Shut down your PC entirely, unplug the power cable for 60 seconds to clear the motherboard capacitors, reconnect power, and boot back up. If using a desktop, update your BIOS to the latest version to patch firmware bugs.
If the device appears with a yellow exclamation mark, it might be disabled in your system's firmware.
In conclusion, downloading and installing the ACPI MSFT0101 driver is a relatively straightforward process that can help resolve various issues with your computer. By following the methods outlined in this article, you should be able to successfully update your driver and ensure that your computer runs smoothly and efficiently. Windows Hello facial recognition and PIN logins utilize
This means the device is completely turned off at the hardware level. Re-enter your BIOS and verify that Intel PTT or TPM support did not accidentally toggle off.
If you have enabled TPM in BIOS, installed the chipset drivers, and manually forced the INF file but the error persists, try these advanced solutions:
If you need help finding the specific driver file, please tell me the of your computer or motherboard. If you are experiencing a specific error code in Device Manager , let me know so I can provide targeted troubleshooting steps. Share public link Step 2: Download the Official ACPI MSFT0101 Driver
It appears in Device Manager with a yellow exclamation when the TPM driver is missing or corrupted.
Point to the folder where you extracted the driver files (specifically looking for the .inf file). Key Technical Details Trusted Platform Module 2.0 (TPM 2.0) Common ID ACPI\MSFT0101 or *PNP0C31 Main Function
如果以上方法无效，可尝试（如联想、戴尔、惠普、华为等），根据“型号+TPM”或“型号+芯片组”搜索并下载最新的驱动或BIOS更新。
: Ensure your system is booting in UEFI mode rather than Legacy/CSM.