Acpi Msft0101 Acer Driver Windows 7

Mar 04, 2010  Where can I download an ACPI driver that works with Windows 7? Unfortunately, I took the advice given in the Microsoft.com site to unistall the ACPI driver. I did and I lost the icon in the task bar that tells me if the laptop is plugged and battery level. BTW, unfortunately there are no windows 7 drivers posted at Acer support for your. ACPI MSFT0101 unknown device Lenovo ThinkCentre M710q. This is working as design. Because the TPM factory default setting is different on Windows 7 and Windows 8 or 10, if you try to change your operating system from Windows 8 or 10 to Windows 7 or change Windows 7 to Windows 8 or 10, follow the table below to modify the BIOS setting manually.

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.

ACPI MSFT0101 refer to Intel Platform Trust Technology (Intel PTT). Before installing the driver, please note that TPP designed for Windows 8, and as Windows 7 users, you will not have the advantage to use this feature. There are 2 ways you can fix this issue: 1. Download the hotfix provided by Microsoft: Update to add support for TPM 2.0 in Windows 7 and Windows Server 2008 R2 Download Link: 2.

Disable TPP on BIOS. Open BIOS, normally by pressing F2 (the key might differ from one model to another), go to security - advance and disable the Intel Trusted Platform. Here is a usefull information from Microsoft support forum: Source ' Intel Platform Trust Technology (Intel PTT) is a type of virtual TPM. It resides in the FW of your NUC and is controlled by the system BIOS. The version of TPM it emulates is TPM v2.0, which is not recognized by Windows 7. The hotfix from Microsoft will resolve the unknown device/yellow bang in Device Manager but will not make it usable.

This is true for PCs that have a HW TPM v2.0 as well. There is no support for them under Windows 7 and no way to get them to work. TPM v1.2 and earlier are the ones supported by Windows 7. For the ACPI MSFT0101 unknown device you can also simply disable Intel PTT. On Intel NUCs Visual BIOS: BIOS Setup Advanced - Security - Security Features pane - uncheck Intel Platform Trust Technology. Intel PTT was created as a way of satisfying Microsoft's requirement that Client PCs have a TPM for newer Windows products (8.1 and later). Hope this helps.

Craig W, Intel TME Original Source.

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