In the Other Devices section In Windows 7*, the Device Manager can show multiple errors on Unknown Devices. Details on the device show ACPI MSFT0101. How to fix it. Jul 20, 2016 - ACPI MSFT0101 refer to Intel Platform Trust Technology (Intel PTT). Before installing the driver, please note that TPP designed for Windows 8,. 
We came across an issue today while adding Windows 7 drivers for a new computer model to be deployed by SCCM. After deployment, the computer was showing an Unknown device warning in Device Manager even after installing all available drivers for the model. (Sorry for french screenshots) Troubleshoot Windows 7 Unknown Device TPM The first step to troubleshoot this issue is to get the Device ID of the unknown device.
In the Properties of the faulty device, Details tab, note the Device ID for the device: ACPI MSFT0101 When searching for the Device ID on the web, you will find out that this is the chip. But why is it showing as unknown? From DELL usually provide all necessary drivers. When launching TMP.msc, we get an error that the TPM is not available: If we disable TPM in the BIOS, the Unknown device is gone. But this is not the solution as this will prevent using BitLocker. Problem Windows 7 is not compatible by default with chips. Solution The solution is to install an on-demand from Microsoft.
After installing, the Trusted Platform Module 2.0 is correctly installed. Lauching TPM.msc, it shows that TPM can now be used and showing version 2.0.
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In the Other Devices section In Windows 7*, the Device Manager can show multiple errors on Unknown Devices. Details on the device show ACPI MSFT0101. How to fix it. Jul 20, 2016 - ACPI MSFT0101 refer to Intel Platform Trust Technology (Intel PTT). Before installing the driver, please note that TPP designed for Windows 8,.
We came across an issue today while adding Windows 7 drivers for a new computer model to be deployed by SCCM. After deployment, the computer was showing an Unknown device warning in Device Manager even after installing all available drivers for the model. (Sorry for french screenshots) Troubleshoot Windows 7 Unknown Device TPM The first step to troubleshoot this issue is to get the Device ID of the unknown device.
In the Properties of the faulty device, Details tab, note the Device ID for the device: ACPI MSFT0101 When searching for the Device ID on the web, you will find out that this is the chip. But why is it showing as unknown? From DELL usually provide all necessary drivers. When launching TMP.msc, we get an error that the TPM is not available: If we disable TPM in the BIOS, the Unknown device is gone. But this is not the solution as this will prevent using BitLocker. Problem Windows 7 is not compatible by default with chips. Solution The solution is to install an on-demand from Microsoft.
After installing, the Trusted Platform Module 2.0 is correctly installed. Lauching TPM.msc, it shows that TPM can now be used and showing version 2.0.