Acer Aspire One 753 Series - Symptom-to-FRU Error Messages

66 Chapter 4
Symptom-to-FRU Error Messages
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
•
Run “Load Setup Defaults” using the BIOS Setup Utility,
then reboot the system.
•
Reconnect the LCD connector.
•
Test or replace the keyboard (if contrast and brightness
function key doesn’t work).
•
Test or replace the LCD cable.
•
Test or replace the LCD.
•
Test or replace the mainboard.
•
Unreadable LCD screen
•
Missing pels in characters
•
Abnormal screen
•
Wrong color displayed
•
Reconnect the LCD connector.
•
Test or replace the LCD cable.
•
Test or replace the LCD.
•
Test or replace the mainboard.
LCD has extra horizontal or vertical lines
displayed.
•
Test or replace the LCD cable.
•
Test or replace the LCD.
•
Test or replace the mainboard.
Power-Related Symptoms
Symptom / Error Action in Sequence
System shuts down during operation
•
Test the power source (battery pack and power adapter).
See “Power System Check” on page 57.
•
Test or replace the battery pack.
•
Test or replace the power adapter.
•
Test or replace the mainboard.
System doesn’t power-on.
•
Test the power source (battery pack and power adapter).
See “Power System Check” on page 57.
•
Test or replace the battery pack.
•
Test or replace the power adapter.
•
Test or replace the mainboard.
System doesn’t turn off.
•
Test the power source (battery pack and power adapter).
See “Power System Check” on page 57.
•
Press and hold the power button for more than 4 secs.
• Test or replace the mainboard.
The battery can’t be charged
•
Test the battery pack. See “Check the Battery Pack” on
page 58.
•
Test or replace the battery pack.
•
Test or replace the mainboard.
Memory-Related Symptoms
Symptom / Error Action in Sequence
Memory count (size) appears different from
actual size.
•
Run “Load Setup Defaults” using the BIOS Setup Utility,
then reboot the system.
•
Test or replace the SO-DIMM.
•
Test or replace the mainboard.
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