Troubleshooting
8-12
The sound system does not record.
Adjust the playback or recording sound levels.
The external microphone or audio device does not work.
Make sure that the microphone is connected to the proper connector
on the computer.
Make sure that your computer is equipped with the driver needed.
Click the speaker symbol on the taskbar and check the Windows
volume control.
Check the volume control of your computer.
Startup Problems
When you turn on the computer, it does not respond and the Power
Indicator does not light blue.
If you are using an external AC power, make sure that the AC adapter
is correctly and securely connected. If so, make sure that the
electrical outlet works properly.
If you are using the battery power, make sure that the battery is not
discharged.
When you turn on the computer, it stops after POST.
Restart your computer.
The message “
Operating system not found
” appears on the
screen after you turn on the computer.
If this message appears when you are booting from the hard disk,
insert a bootable disc in the DVD drive and check the condition of the
hard disk.
The message “
Invalid system disk
” or “
Disk error
” appears
on the screen after you turn on the computer.
If you are deliberately trying to boot from a disc, replace the disc with
a bootable one and press any key to continue booting.
