Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Symptom / Error | Action in Sequence |
|
|
LCD backlight doesn't work | First, plug a monitor to CRT port. Next, enter BIOS utility to running |
| “Load Default Settings” then reboot the system. |
| Reconnect the LCD connectors. |
| Keyboard (if the brightness function key doesn't work). |
| LCD cable |
| LCD inverter |
| LCD |
| Main board |
|
|
LCD is too dark | Enter BIOS Utility to execute “Load Setup Default Settings”, then |
LCD brightness cannot be adjusted | reboot system. |
| Reconnect the LCD connectors. |
| Keyboard (if the brightness function key doesn't work). |
| LCD cable |
| LCD inverter |
| LCD |
| Main board |
|
|
Unreadable LCD screen | Reconnect the LCD cable |
Missing pels in characters | LCD cable |
Abnormal screen | LCD |
Wrong color displayed | Main board |
LCD has extra horizontal or vertical lines |
|
displayed. |
|
|
|
Indicator-Related Symptoms
Symptom / Error | Action in Sequence |
|
|
Indicator incorrectly remains off or on, but system | Main board |
runs correctly |
|
|
|
| Device driver |
| Main board |
|
|
Power-Related Symptoms
Symptom / Error | Action in Sequence |
|
|
Power shuts down during operation | Power source (battery pack and power adapter). See “Power |
| System Check” on page 65. |
| Battery pack |
| AC adapter |
| See if the thermal module is overheat (Heat sink or fan). |
| Main board |
|
|
The system cannot | Power source (battery pack and power adapter). See “Power |
| System Check” on page 65. |
| Battery pack |
| Power adapter |
| CPU |
| Main board |
|
|
The system cannot | In Windows XP operating system, hold and press the power switch |
| for more than 4 seconds. If the system can power off, then the main |
| board is OK. Verify OS in the HDD. |
| Main board |
|
|
74 | Chapter 4 |