Owner's Manual

8-8
Troubleshooting
 If you are sure the operation has stop, reset the computer. (See
“Resetting the Computer” later in this chapter.)
Sound Problems
No sound is produced.
 Make sure that the volume control is not set too low.
 Make sure that the computer is not in Sleep mode.
 If using an external speaker, make sure that the speaker is properly
connected.
Distorted sound is produced.
 Make sure that the volume control is not set too high or too low. In most
cases, a high setting can cause the audio electronics to distort the sound.
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.
 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 seem to respond.
 Make sure that either the AC adapter is connected or the battery has
power.
 For models with the hard disk drive heater option: When turning on the
computer in an extremely low temperature environment, the computer
will heat up the hard disk before starting up. The hard disk drive in-use
indicator blinks red to indicate the heater is on. (In conditions where the