Index of Symptom-to-FRU Error Message
NOTE: If the symptom or error for your problem condition is not listed in this section, refer to the “Undetermined Problems” section on page 79.
LCD-related Symptoms
Symptom/Error | Action in Sequence |
|
|
LCD backlight doesn't work | Run the Setup Utility, then press F9 to load the system |
LCD is too dark | defaults. |
LCD brightness cannot be adjusted | Reconnect the |
LCD contrast cannot be adjusted | Keyboard (if contrast and brightness function key doesn't |
| work). |
| |
| Inverter board |
| LCD panel |
| System board |
|
|
Unreadable LCD screen | Reconnect the |
Missing pels in characters | LCD cable |
Abnormal screen | Inverter board |
Wrong color displayed | LCD panel |
| System board |
|
|
LCD has extra horizontal or vertical lines | Inverter board |
displayed. | |
| LCD panel |
| System board |
|
|
Power-related Symptoms
Symptom/Error | Action in Sequence |
|
|
Power shuts down during operation | Power source (battery pack and power adapter). Refer to the |
| “Power System Check” section on page 65. |
| Battery pack |
| Power adapter |
| System board |
|
|
The system won’t power on. | Power source (battery pack and power adapter). Refer to the |
| “Power System Check” section on page 65. |
| Battery pack |
| Power adapter |
| System board |
|
|
The system won’t power off. | Power source (battery pack and power adapter). Refer to the |
| “Power System Check” section on page 65. |
| Hold and press the power button for more than four seconds. |
| System board |
|
|
Battery won’t charged | Refer to the “Check the Battery Pack” section on page 65. |
| Battery pack |
| System board |
|
|
Chapter 1 | 75 |