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