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Chapter 4 93
No beep, power-on indicator turns off and
LCD is blank.
T Power source (battery pack and power adapter). See “Power
System Check” on page 89.
T Ensure every connector is connected tightly and correctly.
T Reconnect the DIMM.
T LED board
T Mainboard
No beep, power-on indicator turns on and
LCD is blank.
T Power source (battery pack and power adapter). See “Power
System Check” on page 89.
T Reconnect the LCD connector
T Hard disk drive
T LCD inverter ID
T LCD cable
T LCD Inverter board
T LCD
T Mainboard
No beep, power-on indicator turns on and
LCD is blank. But you can see POST on an
external CRT.
T Reconnect the LCD connectors.
T LCD inverter ID
T LCD cable
T LCD inverter board
T LCD
T Mainboard
No beep, power-on indicator turns on and a
blinking cursor shown on LCD during
POST.
T Ensure every connector is connected tightly and correctly.
T Mainboard
No beep during POST but system runs
correctly.
T Speaker
T Mainboard
Error Message List
Error Messages Check or do the following in sequence: