CHAPTER 4: Troubleshooting | |
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Error Messages | FRU/Action Sequence |
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Invalid System Configuration Data | • Test or replace the BIOS ROM. |
| • Test or replace the system board. |
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I/O device IRQ conflict | • Run “Load Setup Defaults” using the BIOS Setup Utility, then |
| reboot the notebook. |
| • Test or replace the CMOS battery, run the BIOS Setup Utility |
| to reconfigure system time, then reboot the system. |
| • Test or replace the system board. |
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Operating system not found | • Run the BIOS Setup Utility and see if fixed disk and drive A: |
| are properly identified. |
| • Test or replace the diskette drive |
| • Test or replace the hard disk drive |
| • Test or replace the system board |
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| FRU/Action in Sequence |
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No beep, | • Test the power source (battery pack and power adapter). See |
LCD is blank. | “Testing the power system” on page 140. |
| • Make sure that every connector is connected tightly and |
| correctly. |
• Reconnect the
• Test or replace the LED board.
• Test or replace the system board.
No beep,
•Test the power source (battery pack and power adapter). See “Testing the power system” on page 140.
•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.
•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, | • Make sure that every connector is connected tightly and | |
a blinking cursor shown on LCD during |
| correctly. |
POST. | • Test or replace the system board. | |
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No beep during POST but system runs | • | Test or replace the speaker. |
correctly. | • | Test or replace the system board. |
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