Symptom / Error | FRU / Action in Sequence |
---|---|
No beep, power-on indicator on, | 1. System board |
and a blank LCD during POST. | 2. DC/DC card |
3. Video card | |
4. CPU card | |
LCD backlight not working, or | 1. Reseat the LCD connectors. |
LCD too dark, or | 2. LCD assembly |
LCD brightness cannot be adjusted, or | 3. DC/DC card |
LCD contrast cannot be adjusted. | |
LCD screen unreadable, or | 1. See (above) important note for LCD-Related Symptoms. |
Characters missing pels, or | 2. Reseat all LCD connectors. |
Screen abnormal, or | 3. LCD assembly |
Wrong color displayed. | 4. System board |
5. Video card | |
LCD has extra horizontal or | 1. LCD assembly |
vertical lines displayed. |