Chapter 4
103
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 99.
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 99.
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:
SG_Aspire4920_Book.book Page 103 Monday, May 28, 2007 6:49 PM
Summary of Contents for Aspire 4920
Page 10: ...x ...
Page 50: ...40 Chapter 1 ...
Page 58: ...48 Chapter 2 ...
Page 94: ...84 Chapter 3 19 Carefully detach the RTC battery from the SD card slot ...
Page 105: ...Chapter 3 95 17 Remove the microphones ...
Page 106: ...96 Chapter 3 ...
Page 123: ...Chapter 5 113 System Block Diagram System Block Diagram and Connector Locations Chapter 5 ...
Page 126: ...116 Chapter 5 Switch Setting Short R525 to clear password ...
Page 130: ...120 Chapter 4 Aspire 4920 Exploded Diagram ...
Page 139: ...Chapter 4 129 ...
Page 141: ...131 Appendix A ...
Page 142: ...Appendix A 132 ...
Page 148: ...138 Appendix B ...
Page 150: ...140 Appendix C ...