If you are not using BitLocker or are on a 32-bit version of Windows 7, the most effective way to remove the error is to disable the feature in your BIOS/UEFI settings: Look for settings labeled Intel Platform Trust Technology (PTT) Security Device Support and set them to
Follow the wizard and accept the defaults.
Click , open the standalone installer package, and proceed with the on-screen setup prompts. Restart your computer once the installation completes.
The core of this fix is installing a free update provided by Microsoft: [5†L5-L6]. This update adds official TPM 2.0 support to Windows 7 SP1 and Windows Server 2008 R2 SP1.
Install official Surface drivers (recommended if available for your model) acpi msft0101 driver windows 7 free
If you do not strictly require TPM 2.0 functionality on Windows 7, you can eliminate the error by modifying your motherboard configuration.
Here are the general steps. Note that the exact menu names may vary slightly depending on your BIOS vendor.
: If you do not use BitLocker and want to clear the error without a driver, you can often disable "Intel Platform Trust Technology" in your computer's BIOS/UEFI settings. HP Support Community Important Compatibility Notes : For the hotfix to work, your system must be running in rather than Legacy BIOS mode. Windows Edition Windows 7 Ultimate Enterprise
Solved: Compatible driver Windows 7 - 64 bit drivers - HP Support Community - 7608236 If you are not using BitLocker or are
The ACPI\MSFT0101 string is a hardware identification plug-and-play code. : Advanced Configuration and Power Interface.
Do download from random “driver download” websites. Use one of these safe methods:
Fortunately, you can fix this issue entirely for free. The ultimate guide below covers what this device is, how to get the official Microsoft driver update, and alternative methods to clear the Device Manager error. What Is the ACPI\MSFT0101 Device?
The specification version should be 2.0 (or sometimes 1.2 depending on hardware). The core of this fix is installing a
Since Microsoft officially ended standard support for Windows 7, finding the correct patch directly through Windows Update can be difficult. Follow these verified steps to install the driver manually. Step 1: Install the Microsoft Hotfix (KB2920188)
Windows 8.1 and Windows 10 have native drivers for TPM 2.0. , so it does not include a built-in driver for this hardware.
Install Microsoft-provided hotfixes / KB updates (where applicable)
Let’s recap the best approach to get the :
Sometimes useful for finding OEM-specific drivers if the hotfix doesn't work.