Nobeep error messages

No-beep Error Messages

FRU/Action in Sequence

No beep, power-on indicator turns off and LCD is blank.

  • Test the power source (battery pack and power adapter). See "Testing the power system" on page 138.
  • Make sure that every connector is connected tightly and correctly.
  • Reconnect the SO-DIMM.
  • Test or replace the LED board.
  • Test or replace the system board.

No beep, power-on indicator turns on and LCD is blank.

  • Test the power source (battery pack and power adapter). See "Testing the power system" on page 138.
  • 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, power-on indicator turns on and LCD is blank. But you can see POST on an external CRT.

  • 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, power-on indicator turns on and a blinking cursor shown on LCD during POST.

  • Make sure that every connector is connected tightly and correctly.
  • Test or replace the system board.

No beep during POST but system runs correctly.

  • Test or replace the speaker.
  • Test or replace the system board.
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