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Chapter 1 75
Index of Symptom-to-FRU Error Message
NOTE: If the symptom or error for your problem condition is not listed in this section, refer to the
“Undetermined Problems” section on page 79.
LCD-related Symptoms
Power-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
Run the Setup Utility, then press F9 to load the system
defaults.
Reconnect the LCD-CCD cable.
Keyboard (if contrast and brightness function key doesn't
work).
LCD-CCD cable
Inverter board
LCD panel
System board
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
Reconnect the LCD-CCD cable.
LCD cable
Inverter board
LCD panel
System board
LCD has extra horizontal or vertical lines
displayed.
Inverter board
LCD-CCD cable
LCD panel
System board
Symptom/Error Action in Sequence
Power shuts down during operation Power source (battery pack and power adapter). Refer to the
“Power System Check” section on page 65.
Battery pack
Power adapter
System board
The system won’t power on. Power source (battery pack and power adapter). Refer to the
“Power System Check” section on page 65.
Battery pack
Power adapter
System board
The system won’t power off. Power source (battery pack and power adapter). Refer to the
“Power System Check” section on page 65.
Hold and press the power button for more than four seconds.
System board
Battery won’t charged Refer to the “Check the Battery Pack” section on page 65.
Battery pack
System board
Acer Aspire 5910 SG.book Page 75 Tuesday, May 29, 2007 11:40 AM