Most major manufacturers provide a "Security" or "Chipset" driver package that includes support for this device.
ACPI\MSFT0101 Driver Download and Installation Guide (2026) If you are looking for the , you have likely encountered an "Unknown Device" with a yellow exclamation mark in your Windows Device Manager. This issue is common after a clean installation of Windows, particularly on newer laptops and desktop motherboards.
Select the folder where you downloaded/extracted the chipset or security driver. Click and Windows will install the necessary driver. Summary Checklist Enable PTT/TPM in BIOS Activates the hardware. Run Windows Update Installs necessary MS driver. Install Chipset Drivers Installs motherboard support.
Modern versions of Windows usually include this driver natively. If it is missing: Acpi Msft0101 Driver Download
Click , navigate to the folder where you extracted your downloaded driver files, and click Next .
The ACPI\MSFT0101 device is typically found on Intel Skylake and newer motherboards. Its primary roles include:
Remember: always prioritize official Microsoft, manufacturer websites, and built-in Windows tools for driver downloads. This approach will keep your system secure, stable, and running at its best. Most major manufacturers provide a "Security" or "Chipset"
Look for options labeled , Security Chip , Intel PTT (Platform Trust Technology) , or AMD fTPM . Change the status to Enabled . Save changes and exit ( F10 ). Code 28 (Drivers for this device are not installed)
This happens when registry corruption prevents driver association.
Windows will read the configuration files, install the driver, and move the device to the category as Trusted Platform Module 2.0 . Verification and Troubleshooting Confirming the Fix Select the folder where you downloaded/extracted the chipset
The method for acquiring the driver depends entirely on your operating system: Windows 10 and 11
If that fails, download the driver from your manufacturer's support site (e.g., Dell Support or Lenovo Support ). 2. Windows 7 (Manual Fix)
If you are using a 64-bit version of Windows 7, you will need to install a specific update from Microsoft to add TPM 2.0 support. The knowledge base article for this is .
Since this is a Microsoft-standardized ID, the driver is almost always bundled into Windows. Update & Security Windows Update Check for updates Look under View optional updates Driver updates