Acer Aspire 1430 Series Service Manual page 75

Speaker-Related Symptoms
Symptom / Error
No sound comes from the system when
running Windows multimedia programs.
Internal speakers make noise or emit no
sound.
Power Management-Related Symptoms
Symptom / Error
System will not enter hibernation.
System doesn't enter hibernation mode and
four short beeps every minute.
System doesn't enter standby mode after
closing the LCD.
System doesn't resume from hibernation
mode.
System doesn't resume from standby mode
after opening the LCD.
Battery fuel gauge in Windows doesn't go
higher than 90%.
System hangs intermittently.
Peripheral Devices-Related Symptoms
Symptom / Error
System configuration does not match the
installed devices.
External display does not work correctly.
USB does not work correctly
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Action in Sequence
Reinstall the audio driver.
•
Test or replace the speakers.
•
Test or replace the mainboard.
•
Test or replace the speakers.
•
Test or replace the mainboard.
•
Action in Sequence
Test or replace the keyboard (if control is from the
•
keyboard).
Test or replace the hard disk drive.
•
Test or replace the mainboard.
•
O>
Press <Fn> + < and see if the system enters
•
hibernation mode.
Test or replace the touchpad
•
Test or replace the keyboard
•
Check the hard disk connection to the mainboard.
•
Test or replace the hard disk drive.
•
Test or replace the mainboard.
•
Test or replace the mainboard.
Check the hard disk connection to the mainboard.
•
Test or replace the hard disk drive.
•
Test or replace the mainboard.
•
Test or replace the mainboard.
Remove battery pack and let it cool for 2 hours.
•
Refresh battery (use only battery until the notebook turns
•
off, then charge the battery).
Test or replace the battery pack.
•
Test or replace the mainboard.
•
Reconnect the hard disk drive and external optical drive.
•
Check the hard disk connection to the mainboard.
•
Test or replace the mainboard.
•
Action in Sequence
Run "Load Setup Defaults" using the BIOS Setup Utility,
•
then reboot the system.
Reconnect the hard disk drive and external optical drive.
•
Press <Fn> + <F5> repeatedly to switch between LCD,
•
external display, and both displays.
Test or replace the mainboard.
•
Test or replace the USB board.
•
Test or replace the mainboard.
•
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