This is the safest and most common solution for Windows 7 users. Enter your BIOS/UEFI setup (press Del, F2, or F10 during boot), find the Security or Advanced tab, locate the TPM setting, and set it to Disabled or Hidden. After rebooting, the ACPI MSFT0101 device will disappear from Device Manager entirely, and the yellow mark will be gone.
Note: Disabling TPM will not affect your daily use of Windows 7 unless you specifically need BitLocker. If you dual-boot with Windows 10/11, disabling TPM will break TPM features in those newer OSes.
Since the driver is unnecessary, the best practice is to disable the device or mask the ACPI entry. Acpi Msft0101 Driver Windows 7
No, not for normal use.
Windows 7 does not use TPM 2.0 for any core OS feature: Report: "Acpi Msft0101 Driver Windows 7" 2
The only scenarios where a TPM 2.0 driver might be useful on Windows 7 are:
For the vast majority of users, the yellow mark is harmless and can be ignored or disabled. Note: Disabling TPM will not affect your daily
If you have ever tried to install Windows 7 on a modern laptop or motherboard (especially those with 6th-generation Intel Skylake or newer, or AMD Ryzen systems), you may have encountered a mysterious device in Device Manager labeled ACPI MSFT0101 with a yellow exclamation mark.
This article explains what this device is, why Windows 7 cannot automatically find a driver for it, and what — if anything — you can do about it.