Restart your Acer laptop and repeatedly press (or the designated key) to enter the BIOS/UEFI setup. Navigate to the Security or Advanced tab.
Are you struggling to find the correct driver for your Acer device's ACPI MSFT0101 component on Windows 7? Look no further! This article provides a detailed guide on how to install and troubleshoot the ACPI MSFT0101 Acer driver on Windows 7.
Without fixing the MSFT0101 error, you may experience: Acpi Msft0101 Acer Driver Windows 7
You can check the Acer Support Drivers page using your serial number (SNID), though Acer rarely provides Windows 7 drivers for hardware that includes TPM 2.0.
A: This is unrelated to TPM. Update your Acer chipset driver and Intel Management Engine (MEI) driver from Acer’s Windows 8.1 support page (those often work on Windows 7). Restart your Acer laptop and repeatedly press (or
: Microsoft ended mainstream support for Windows 7 in 2015 (extended support ended in 2020). Many newer TPM 2.0 chips (common on Intel 6th-gen Skylake and later, or AMD Ryzen systems) were never officially supported on Windows 7.
If you do not plan on using BitLocker or other hardware-level security features, you can simply turn the device off at the hardware level. This will make the "Unknown Device" disappear from Windows. Look no further
This error does not affect everyday performance significantly. However, it clutters Device Manager and prevents you from using Windows 7’s BitLocker or secure boot features.
