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Symptom-to-FRU error messages

LCD

Power

Symptom / Error Action in Sequence
nThe LCD backlight doesn't work.
nThe LCD is too dark.
nThe LCD brightness cannot be adjusted.
nThe LCD contrast cannot be adjusted.
nRun “Load Setup Defaults” using the BIOS Setup Utility, then reboot
the notebook.
nReconnect the LCD connectors.
nTest or replace the keyboard (if contrast and brightness function key
doesn't work).
nCheck the LCD inverter ID.
nTest or replace the LCD cable.
nTest or replace the LCD inverter.
nTest or replace the LCD.
nTest or replace the system board.
nThe LCD screen is unreadable.
nMissing pels in characters.
nThe screen appears abnormal.
nThe wrong color is displayed.
nReconnect the LCD connector.
nCheck the LCD inverter ID.
nTest or replace the LCD cable.
nTest or replace the LCD inverter.
nTest or replace the LCD.
nTest or replace the system board.
The LCD is displaying extra horizontal or vertical
lines.
nCheck the LCD inverter ID.
nTest or replace the LCD cable.
nTest or replace the LCD inverter.
nTest or replace the LCD.
nTest or replace the system board.
Symptom / Error Action in Sequence
The notebook shuts down during operation. nTest the power source (battery pack and power adapter). See “Testing
the power system” on page 118.
nTest or replace the battery pack.
nTest or replace the power adapter.
nTest or replace the system board.
The notebook doesn’t turn on. nTest the power source (battery pack and power adapter). See “Testing
the power system” on page 118.
nTest or replace the battery pack.
nTest or replace the power adapter.
nTest or replace the system board.
The notebook doesn’t turn off. nTest the power source (battery pack and power adapter). See “Testing
the power system” on page 118.
nPress and hold the power button for more than four seconds.
nTest or replace the system board.
The battery can’t be charged. nTest the battery pack. See “Check the battery pack” on page 119.
nTest or replace the battery pack.
nTest or replace the system board.