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| Symptom / Error | FRU / Action in Sequence |
|---|---|
| Continuous beeps. | System Board |
| One beep and a blank, | 1. Reseat the LCD connector. |
| unreadable, or flashing LCD. | 2. Reseat the inverter card |
| 3. Inverter card | |
| 4. Video card | |
| 5. LCD Assembly | |
| 6. System Board | |
| 7. DC/DC card | |
| One beep, and the message | 1. Boot device |
| 'Unable to access boot source'. | 2. System Board |
| One long beep and two short beeps, | 1. System Board |
| and a blank or unreadable LCD. | 2. Video card |
| 2. LCD assembly | |
| One long beep followed by | Connect the AC Adapter or install |
| four short beeps each time | a fully charged battery. |
| the power switch is operated. | |
| (System cannot power on | |
| because of low battery voltage.) | |
| One beep every second. | Connect the AC Adapter or install |
| (System shuts down because | a fully charged battery (Allow |
| of low battery voltage.) | the 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.