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