| Symptom/Error |
FRU/Action |
| Continuous beeps. |
1. System Board |
| One beep and a blank, |
1. Reseat the LCD connector |
| unreadable, or flashing LCD. |
2. LCD Assembly |
| |
3. System Board |
| One beep, and the message, |
1. Boot device. |
| Unable to access boot source |
2. System Board |
| One long, two short beeps and a |
1. System Board |
| blank or unreadable LCD. |
2. LCD Assembly |
| One long beep followed by four short |
1. Connect the AC Adapter |
| beeps each time the power switch is |
or install a fully-charged battery |
| operated (System cannot power-on |
|
| due to low battery voltage.) |
|
| One beep every second. |
1. Connect the AC Adapter or install |
| (System is shutting down due to |
a fully-charged battery |
| low battery voltage.) |
(allow the system to completely |
| |
shutdown before changing the battery.) |
| Two short beeps with error codes. |
1. POST error. |
| |
See Numeric Error Codes |
| |
° TP 2640-560 |
| |
° TP 2640-560x (60x, 70x) |
| Two short beeps with blank screen. |
1. System Board |