Keyboard- or TrackPoint-Related Symptoms
Symptom / Error
The keyboard (one or more keys) does not work.
The TrackPoint does not work.
The pointer moves automatically or does not work correctly.
FRU / Action in Sequence
1.On the Windows Taskbar, check that Caps Lock or Num Lock are not enabled.
2.Reseat the keyboard cable on the mainboard.
3.Keyboard
4.Mainboard
1.Check the “TrackPoint” settings in the Control Panel.
2.Reseat the keyboard cable on the mainboard.
3.Go to “TrackPoint Checkout” on page15.
4.Keyboard
5.Mainboard
See “TrackPoint Checkout” on page 15.
LCD-Related Symptoms
Symptom / Error
FRU / Action in Sequence
LCD backlight not working.
LCD too dark.
LCD brightness cannot be adjusted.
LCD contrast cannot be adjusted.
LCD screen unreadable.
Screen abnormal.
Wrong color displayed.
LCD has extra horizontal or vertical lines displayed.
LCD lid is loose.
1.Open the “Display Properties” window in the Control Panel. Check that the auto dim setting is not enabled under the “B acklight” tab.
2.Reseat the LCD cable and connectors.
3.LCD assembly
4.Inverter assembly
5.Mainboard
1.Reseat the LCD cable and connectors.
2.LCD assembly
3.Inverter assembly
4.Mainboard
LCD assembly
1.Hinge screws
2.Hinge group