What is the Advanced Configuration and Power Interface (ACPI) PC Windows Driver?
The Advanced Configuration and Power Interface (ACPI) is an open standard used in modern operating systems, including Windows, to manage power consumption and the configuration of computer hardware. ACPI allows the operating system to control power management features like sleep modes, hibernation, and shutting down individual components (e.g., CPU, disk drives) to save energy when not in use. ACPI also provides an interface for managing hardware configurations and for the operating system to communicate with the system firmware (like the BIOS or UEFI).
When you see the "ACPI PC Windows driver", it typically refers to a driver that enables the operating system to fully interact with the ACPI features of the motherboard, such as:
- Power management (e.g., sleep, hibernate, shutdown)
- Plug and play functionality (detection of hardware components)
- Hardware resource management (interrupts, I/O addresses, etc.)
Advanced Configuration and Power Interface (ACPI) PC drivers / Dell Latitude E5440
Compatible IDs:
DETECTEDINTERNAL\ACPI_HAL
DETECTED\ACPI_HAL
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