In , right-click the Unknown Device and select Update driver . Choose "Browse my computer for drivers" .
: Check the Acer Support site for your specific model (e.g., Extensa 5220, 5620, or TravelMate 6593). Look for "Infrared" or "IrDA" drivers. acpi nsc6001
: Sites like DriverIdentifier and DriverScape maintain archives of the 6.0.6001.18000 driver version, which is the standard for this chip. 3. Manual Installation Steps In , right-click the Unknown Device and select Update driver
Select the .inf file and follow the prompts to finish the installation. Do You Actually Need This Driver? acpi nsc6001