: If your device isn't recognized, check Device Manager for errors and update drivers accordingly.
The combination of Vendor ID and Device ID under ACPI helps in: acpi ven_len&dev_4001
If the automatic detection does not find the driver, manually browsing the driver list for your specific model is necessary, as this component is essential for the full functionality of Lenovo hardware features. : If your device isn't recognized, check Device
For 2-in-1 laptops, it helps determine if the device is in tent, tablet, or laptop mode to disable the keyboard or touchpad accordingly. How to Install the Driver : If your device isn't recognized
If you see it with an error, install or the Lenovo Power Management Driver . Within five minutes, your Device Manager will be clean, and your battery will thank you.