Here is everything you need to know about what this driver is and how to fix the "yellow exclamation mark." What is ACPI\MSFT0101?
Microsoft released a specific update (KB2920188) to add support for TPM 2.0 to Windows 7 and Windows Server 2008 R2. Visit the . Search for KB2920188 . Acpi Msft0101 Driver Windows 7
Create a custom oem0.inf :
For business-class laptops (like Dell Latitude, HP EliteBook, or Lenovo ThinkPad), the manufacturer often provides a "System Driver" or "Chipset" pack specifically for Windows 7. Go to the manufacturer’s support site. Enter your Serial Number or Service Tag. Here is everything you need to know about
Use Microsoft’s official “Show or hide updates” troubleshooter (designed originally for Windows 10, but works on Windows 7 with .NET 4.x installed). Alternatively, use a registry tweak: Search for KB2920188
Download the version compatible with your system (x64 for 64-bit, x86 for 32-bit). Install the update and restart your computer.
When a UEFI-based motherboard has TPM 2.0 enabled (Intel PTT or AMD fTPM), the system firmware reports a device in the DSDT (Differentiated System Description Table) with: