The "ACPI NSC6001" error on Windows 7 Acer laptops is not a hardware failure; it is a sign that your power management and hotkey drivers are missing. By installing the specific to your model (Aspire 5740, 5741, 5552, etc.), you can restore full function key capability, fix shutdown delays, and silence the error in Device Manager permanently.
The hardware ID ACPI\NSC6001 corresponds to the National Semiconductor IrDA Fast Infrared Port Acpi Nsc6001 Windows 7 Acer
If you have this error, you are experiencing at least two of the following horrors: The "ACPI NSC6001" error on Windows 7 Acer
The ID refers to the National Semiconductor IrDA Fast Infrared Port , a legacy component found in older Acer laptop models like the Extensa 5620 , 5220 , and TravelMate 5720 . When upgrading to Windows 7, this device often appears as an "Unknown Device" in the Device Manager because the necessary drivers are not automatically installed by the operating system. Device Overview Component : IrDA Fast Infrared Port. When upgrading to Windows 7, this device often