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| Symptom/Error | FRU/Action |
|---|---|
| Continuous beeps. | System Board |
| One beep and a blank | 1. Reseat all LCD connectors |
| unreadable, or flashing LCD. | 2. LCD Assembly |
| 3. System Board | |
| 4. DC/DC Card | |
| One beep, and the message | 1. Boot device |
| 'Unable to access boot source' | 2. System Board |
| One long, two short beeps and | 1. System Board |
| a blank or unreadable LCD. | 2. 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 |
| (System is shutting down | or install a fully-charged |
| due to low battery voltage.) | battery (allows system to complete |
| shutdown before changing the battery) | |
| Two short beeps with error codes. | POST error. |
| See 'Numeric Error Codes' | |
| Two short beeps with blank screen. | System Board |
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.