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| FRU/Action in Sequence | |
Messages |
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No beep, | ■ | Test the power source (battery pack and power adapter). See “Power System |
indicator turns off and |
| Check” on page xxvi. |
LCD is blank. | ■ | Make sure that every connector is connected tightly and correctly. |
| ■ | Reconnect the DIMM. |
| ■ | Test or replace the LED board. |
| ■ | Test or replace the system board. |
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No beep,
■Test the power source (battery pack and power adapter). See “Power System Check” on page xxvi.
■Reconnect the LCD connector
■Check the hard disk drive.
■Check the LCD inverter ID.
■Check the LCD cable.
■Test or replace the LCD inverter.
■Test or replace the LCD.
■Test or replace the system board.
No beep, | ■ | Reconnect the LCD connectors. |
indicator turns on and | ■ | Check the LCD inverter ID. |
LCD is blank. But you | ■ | Check the LCD cable. |
can see POST on an | ■ | Test or replace the LCD inverter. |
external CRT. | ■ | Test or replace the LCD. |
| ■ | Test or replace the system board. |
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No beep, | ■ | Make sure that every connector is connected tightly and correctly. |
indicator turns on and | ■ | Test or replace the system board. |
a blinking cursor |
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shown on LCD during |
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POST. |
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No beep during POST | ■ | Test or replace the speaker. |
but system runs | ■ | Test or replace the system board. |
correctly. |
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