98
Chapter 4
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms
Symptom / Error
Check or do the following in sequence
LCD backlight doesn't work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjusted
T
Run “Load Setup Defaults” in BIOS Setup Utility, then reboot
system.
T
Reconnect the LCD connectors.
T
Keyboard (if contrast and brightness function key doesn't
work).
T
LCD inverter ID
T
LCD cable
T
LCD inverter board
T
LCD
T
Mainboard
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
T
Reconnect the LCD connector
T
LCD inverter ID
T
LCD cable
T
LCD inverter board
T
LCD
T
Mainboard
LCD has extra horizontal or vertical lines
displayed.
T
LCD inverter ID
T
LCD inverter board
T
LCD cable
T
LCD
T
Mainboard
Indicator-Related Symptoms
Symptom / Error
Check or do the following in sequence
Indicator incorrectly remains off or on, but
system runs correctly
T
Reconnect the LCD inverter board.
T
Mainboard
Power-Related Symptoms
Symptom / Error
Check or do the following in sequence
Power shuts down during operation
T
Power source (battery pack and power adapter). See “Power
System Check” on page 89.
T
Battery pack
T
Power adapter
T
Hard disk drive & battery connection board
T
Mainboard
The system doesn’t power-on.
T
Power source (battery pack and power adapter). See “Power
System Check” on page 89.
T
Battery pack
T
Power adapter
T
Hard disk drive & battery connection board
T
Mainboard
Содержание Aspire 4315
Страница 10: ...x ...
Страница 54: ...44 Chapter 2 ...
Страница 66: ...56 Chapter 3 Main Unit Disassembly Process Main Unit Disassembly Flowchart ...
Страница 85: ...Chapter 3 75 18 Carefully detach the RTC battery from the SD card slot ...
Страница 114: ...104 Chapter 4 ...
Страница 115: ...Chapter 5 105 System Block Diagram System Block Diagram and Connector Locations Chapter 5 ...
Страница 120: ...110 Chapter 6 Aspire 4715Z 4315 Exploded Diagram ...
Страница 145: ...Chapter 6 135 ...
Страница 152: ...142 Appendix B ...
Страница 154: ...144 Appendix C ...