-new- Acpi Msft0101 Driver 77 2021 May 2026

ACPI is a standard for the configuration and management of computer hardware, particularly concerning power management and device configuration. It's a key component in modern operating systems, allowing for the management of power states, device recognition, and configuration.

This hardware ID is not for a typical piece of hardware like a webcam or a network card. Instead, it stands for "Microsoft TCG Platform Crypto Provider."

In simpler terms:

If you see a yellow exclamation mark next to "Unknown Device" or "ACPI MSFT0101" in Device Manager, it usually means Windows Update failed to properly initialize the driver for your TPM security chip.

The identifier "Acpi Msft0101" suggests a specific device or piece of hardware that is being managed through ACPI. The "Msft" part likely refers to Microsoft, hinting that this might be related to a specific piece of hardware that Microsoft has directly involved in, possibly through a reference or sample driver. -NEW- Acpi Msft0101 Driver 77 2021

The mention of "77 2021" could imply a version, date, or specific iteration of the driver or related software. Without more context, it's hard to determine the exact significance of these numbers.

Do not download generic “ACPI MSFT0101 driver” files from third-party driver sites — they’re often fake or malware. ACPI is a standard for the configuration and

Instead, go to the official support site for your PC brand and model, download the latest Chipset driver or BIOS/firmware update.
TPM drivers are usually included in: