Manufacturer Support PagesSearch the support website of your laptop or motherboard manufacturer (such as HP, Dell, or Lenovo). Look for "Infrared," "Communication," or "Chipset" drivers. Even if the driver is listed for an older version of Windows (like Windows 7), it will often work on newer systems if installed in Compatibility Mode.
ACPI defines five sleep states. S0 is on. S5 is off.
To resolve the driver issue, it helps to understand what this hardware string means: acpi nsc6001
It has an NSC6001 for a serial controller.
"Rise time: 1984. Fall time: 2041. Wake vector 0xFFFFFFFF." Manufacturer Support PagesSearch the support website of your
When you reinstall Windows or update to a newer version (like Windows 7, 8, 10, or 11), the operating system scans your motherboard for connected hardware. Because IrDA technology is obsolete, modern Windows installation media do not include native, built-in drivers for National Semiconductor infrared chips.
The key takeaway: Not all unknown ACPI devices are safe to disable. PNP0C0A (Battery) or PNP0C09 (Control Method) are essential. ACPI defines five sleep states
Your computer will boot, surf the web, and play video just fine without it.
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