| Symptom/Error |
FRU/Action |
| Continuous beeps. |
1. Top System Board |
| One beep and a blank, |
1. Reseat all LCD connectors. |
| unreadable, or flashing LCD. |
2. LCD Assembly |
| |
3. Bottom System Board |
| One beep, and the message |
1. Boot device |
| Unable to access boot source. |
2. System Board |
| One long, two short beeps, and |
1. Bottom System Board. |
| a blank or unreadable LCD. |
2. LCD Assembly |
| One long beep followed by |
1. Connect the AC adapter |
| four short beeps each time |
or install a fully charged battery |
| the power switch is operated. |
|
| (System cannot power-on due |
|
| to low battery voltage.) |
|
| One beep every second. |
1. Connect the AC adapter or install a fully |
| (System is entering Suspend mode |
charged battery (allows system to suspend |
| due to low battery voltage.) |
suspend operation before changing |
| |
the battery). |
| Two short beeps with error codes. |
1. POST error. |
| |
See 'Numeric Error Codes' |
| Two short beeps with blank screen. |
1. Top System Board |
| |
2. Bottom System Board. |