Chapter 4
125
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 113.
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 113.
Battery pack
Power adapter
Hard drive & battery connection board
System board
Summary of Contents for Aspire 4730ZG Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 14: ...4 Chapter 1 System Block Diagram ...
Page 48: ...38 Chapter 1 ...
Page 65: ...Chapter 2 55 ...
Page 66: ...56 Chapter 2 ...
Page 111: ...Chapter 3 101 20 Remove the bluetooth module from the lower case ...
Page 120: ...110 Chapter 3 9 Remove the Web camera from the back cover ...
Page 134: ...124 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Page 141: ...Chapter 5 131 Top and Bottom View Jumper and Connector Locations Chapter 5 ...
Page 142: ...132 Chapter 5 ...
Page 146: ...136 Chapter 6 Aspire 5930 5930Z 5730Z Series Exploded Diagram ...
Page 147: ...Chapter 6 137 ...
Page 155: ...Chapter 6 145 ...
Page 178: ...Appendix A 168 ...
Page 182: ...172 Appendix B ...
Page 184: ...174 Appendix C ...