Unknown Device in Device Manager with "This Device Cannot Start" Error
Origin of Issue
Some users have reported encountering an unknown device in the Device Manager of Windows 10 Pro. This device typically appears after installing the Elan Touchpad Driver, which is supported on specific Lenovo laptop models.
Device Manager Error
When the unknown device is present, the Device Manager displays the following error:
This device cannot start (Code 10). A request for the HID descriptor failed.
Fixing the Issue
The error message indicates an issue with the device's Human Interface Device (HID) descriptor. To resolve the problem, you can try the following steps: 1. **Uninstall the Elan Touchpad Driver:** Open Device Manager and locate the Elan Touchpad Driver. Right-click and select "Uninstall device." Restart your computer. 2. **Install the Latest Driver:** Visit the manufacturer's website to download and install the latest version of the Elan Touchpad Driver. Ensure that it is compatible with your operating system. 3. **Check for Windows Updates:** Run Windows Update to see if there are any available updates that may address the issue. 4. **Disable and Re-enable the Device:** In Device Manager, locate the unknown device. Right-click and select "Disable device." After a few seconds, right-click again and select "Enable device." 5. **Update BIOS:** Some users have reported that updating the BIOS (a low-level software that initializes hardware) resolved the issue. Check your manufacturer's website for available BIOS updates.
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