User Guide
Page 90
... around, select an icon, and open it for the pointing device option. (The computer automatically recognizes a USB mouse without making any setting adjustments.) Test the mouse controller - Verify that the system setup program lists the...may have a defective external keyboard. Check the external keyboard 1. If the tests indicate a defective external keyboard, contact Dell. Reinstall the touch pad driver - External Keyboard Problems Fill out the Diagnostics Checklist as you attach an external keyboard,...mouse extension cable, disconnect it on the keyboard blink during the boot routine. 3.
... around, select an icon, and open it for the pointing device option. (The computer automatically recognizes a USB mouse without making any setting adjustments.) Test the mouse controller - Verify that the system setup program lists the...may have a defective external keyboard. Check the external keyboard 1. If the tests indicate a defective external keyboard, contact Dell. Reinstall the touch pad driver - External Keyboard Problems Fill out the Diagnostics Checklist as you attach an external keyboard,...mouse extension cable, disconnect it on the keyboard blink during the boot routine. 3.