Asus D6421SFF, User Manual

Page: 43 / 54

ASUS Desktop PC 43
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Audio
Problem Possible Cause Action
No Audio
Speaker or headphone is
connected to the wrong
port.
• Refer to your computer’s user
manual for the correct port.
• Disconnect and reconnect the
speaker to your computer.
Speaker or headphone
does not work.
Try using another speaker or
headphone.
The front and back audio
ports do not work.
Try both the front and back audio
ports. If one port failed, check if the
port is set to multi-channel.
Driver problems Reinstall the audio driver
System
Problem Possible Cause Action
System speed is
too slow
Too many programs are
running.
Close some of the programs.
Computer virus attack
• Use an anti-virus software to
scan for viruses and repair your
computer.
• Reinstall the operating system.
The system often
hangs or freezes.
Hard disk drive failure
• Send the damaged hard disk
drive to ASUS Service Center for
servicing.
• Replace with a new hard disk drive.
Memory module problems
• Replace with compatible memory
modules.
• Remove the extra memory
modules that you have installed,
then try again.
• Contact the ASUS Service Center
for assistance.
There is not enough
air ventilation for your
computer.
Move your computer to an area with
better air flow.
Incompatible software are
installed.
Reinstall the OS and reinstall
compatible software.