What is the MS ArACPI Driver in Windows?
The MS ArACPI Driver is a Microsoft ACPI (Advanced Configuration and Power Interface) driver that is associated with certain hardware devices, particularly power management functions on a system. ACPI is a standard used by operating systems to discover and configure computer hardware, manage power, and perform other system tasks like shutting down or hibernating the system. The driver itself is integral to the power management features of modern systems, especially those involving sleep, hibernation, and thermal management.
The MS ArACPI Driver specifically is related to the ArACPI.sys driver, which is typically installed automatically by Windows to handle advanced power management tasks for your system. The "Ar" prefix usually refers to a particular variant or set of ACPI features supported by specific hardware platforms, often related to Intel or AMD chipsets.