Acer Aspire 1430 Series, Service Manual

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Chapter 4 67
Speaker-Related Symptoms
Symptom / Error Action in Sequence
No sound comes from the system when
running Windows multimedia programs.
•
Reinstall the audio driver.
•
Test or replace the speakers.
•
Test or replace the mainboard.
Internal speakers make noise or emit no
sound.
•
Test or replace the speakers.
•
Test or replace the mainboard.
Power Management-Related Symptoms
Symptom / Error Action in Sequence
System will not enter hibernation.
•
Test or replace the keyboard (if control is from the
keyboard).
•
Test or replace the hard disk drive.
•
Test or replace the mainboard.
System doesn't enter hibernation mode and
four short beeps every minute.
•
Press < Fn > + <
O>
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.
System doesn’t enter standby mode after
closing the LCD. Test or replace the mainboard.
System doesn't resume from hibernation
mode.
•
Check the hard disk connection to the mainboard.
•
Test or replace the hard disk drive.
•
Test or replace the mainboard.
System doesn't resume from standby mode
after opening the LCD. Test or replace the mainboard.
Battery fuel gauge in Windows doesn’t go
higher than 90%.
•
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.
System hangs intermittently.
•
Reconnect the hard disk drive and external optical drive.
•
Check the hard disk connection to the mainboard.
•
Test or replace the mainboard.
Peripheral Devices-Related Symptoms
Symptom / Error Action in Sequence
System configuration does not match the
installed devices.
•
Run “Load Setup Defaults” using the BIOS Setup Utility,
then reboot the system.
•
Reconnect the hard disk drive and external optical drive.
External display does not work correctly.
•
Press < Fn > + < F5 > repeatedly to switch between LCD,
external display, and both displays.
•
Test or replace the mainboard.
USB does not work correctly
•
Test or replace the USB board.
•
Test or replace the mainboard.
Maintenance and Service Guide,Service Manual,Motherboard Schematics for Laptop/notebook http://faqp.ru/
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сервис мануалы
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