How to remove ps2avrGB keyboard driver clearly

1. Download the program “USBDeview” from following site

http://www.nirsoft.net/utils/usb_devices_view.html

20160719_120635_002

2. Install USBDeview

3. In the program window, click the tab “ProductID” to sort drivers installed in your PC.
And select all ps2avrGB drivers (VenderID = 20a0, ProductID = 422d)

** Be careful not to delete other drivers20160719_120955_004

 

4. Click mouse right button and click  ‘Uninstall Selected Devices’

20160719_121015_006

 

4. Replug your keyboard