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| 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. |
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.