Msft0101 Driver Download

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How to Fix Unknown Device in Device Manager (ACPI\MSFT0101)

Identifying the Device

If you see a device listed as "ACPI\MSFT0101" in your Device Manager, it corresponds to the Trusted Platform Module (TPM) module on your computer. The TPM is a hardware chip that provides security features for sensitive operations such as encryption and authentication.

Steps to Fix the Problem

1. Disable and Re-enable the Device: Right-click on the "Microsoft ACPI Compliant Control Method Battery" device and select "Disable device." Then, right-click on both the "ACPI\MSFT0101" device and the "Microsoft ACPI Compliant Control Method Battery" device and select "Enable device." Restart your computer. 2. Turn Off Fast Startup: Go to Power Options in Control Panel and disable the "Fast startup" option. This can help resolve issues with devices not being initialized properly during startup. 3. Type Powercfg -h off: Open a Command Prompt as an administrator and type "powercfg -h off" to disable hibernation. Press Enter. 4. Check Driver Signature Enforcement: Go to System > Advanced > Startup and Recovery Settings in Control Panel. Under "Recovery," click on "Settings." Uncheck the box next to "Enforce driver signature enforcement." Restart your computer. 5. Update ACPI Driver: Visit the manufacturer's website to download the latest ACPI driver for your device. Install the driver and restart your computer.

Troubleshooting Tips

- If the above solutions do not resolve the issue, try updating your BIOS to the latest version. - If you continue to experience problems, contact your computer manufacturer or a qualified technician for further assistance.