Chapter 4
97
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Symptom / Error
Action in Sequence
LCD backlight doesn't work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjusted
Enter BIOS Utility to execute “Load Setup Default Settings”,
then reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function key doesn't
work).
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
Reconnect the LCD connector
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
LCD has extra horizontal or vertical lines
displayed.
LCD inverter ID
LCD inverter
LCD cable
LCD
System board
Indicator-Related Symptoms
Symptom / Error
Action in Sequence
Indicator incorrectly remains off or on, but
system runs correctly
Reconnect the inverter board
Inverter board
System board
Power-Related Symptoms
Symptom / Error
Action in Sequence
Power shuts down during operation
Power source (battery pack and power adapter). See “Power
System Check” on page 87.
Battery pack
Power adapter
Hard drive & battery connection board
System board
The system doesn’t power-on.
Power source (battery pack and power adapter). See “Power
System Check” on page 87.
Battery pack
Power adapter
Hard drive & battery connection board
System board
Summary of Contents for Aspire 7336 Series
Page 6: ...VI ...
Page 12: ...4 Chapter 1 System Block Diagram For Aspire 7736 7736Z 7336 Series ...
Page 13: ...Chapter 1 5 For Aspire 7540 Series ...
Page 120: ...112 Chapter 6 Aspire 7736 7736Z 7336 Series and Aspire 7540 Series Exploded Diagram ...
Page 151: ...Appendix A 143 Model Definition and Configuration Appendix A ...
Page 182: ...174 Appendix B ...
Page 184: ...176 Appendix C ...
Page 187: ...www s manuals com ...