Fixed — Acpi Nsc6001

In , right-click the Unknown Device and select Update driver . Choose "Browse my computer for drivers" .

In older mobile computing, this port allowed for wireless data transfer between laptops, PDAs, and early mobile phones before Bluetooth and Wi-Fi became the industry standards. Why is it showing as an "Unknown Device"? acpi nsc6001

: Advanced Configuration and Power Interface, which helps the operating system manage hardware power. NSC : The vendor code for National Semiconductor. In , right-click the Unknown Device and select Update driver

: The specific device ID for their Fast Infrared (FIR) controller. Why is it showing as an "Unknown Device"

Select .

Finding an "Unknown Device" with the hardware ID in your Windows Device Manager usually points to a missing driver for a legacy IrDA Fast Infrared Port . While infrared technology is less common today, this specific ACPI identifier is frequently seen on older laptops from manufacturers like Acer (specifically the Extensa and TravelMate series) and HP . What is ACPI\NSC6001?

: Check the Acer Support site for your specific model (e.g., Extensa 5220, 5620, or TravelMate 6593). Look for "Infrared" or "IrDA" drivers.