How to Run the Keyboard Test (3546)

1.  Turn off the computer.
2.  Remove the external keyboard, if one is attached.
3.  Press and hold F1 key, then turn on the computer. Hold F1 until the Easy-Setup screen appears.
4.  Select Test and press Enter. The basic  diagnostic screen appears.
5.  Press Ctrl+A to go to advanced diagnostic screen.
6.  Press Ctrl+K (a keyboard graphic appears  on the screen).
7.  By pressing a key, the mark appears or disappears on  the corresponding key position on the screen.  Repeat this step for any keys that need to be tested.
8.  To exit the test, press Esc or select the cancel icon.