Troubleshooting and Maintenance Guide

8 Troubleshooting and Maintenance Guide
Audio
Symptom Possible solution
No sound is produced. Press the Mute button on the keyboard to see if the Mute feature is turned on.
Or
1 Click the Windows Start Button, and then click Control Panel.
2 Click Hardware and Sound, and then Adjust system volume.
3 If applications are muted, click the mute button to unmute.
Click the task bar Volume icon ( ), or use the keyboard controls to increase
the volume.
Ensure powered (active) speakers are turned on.
Turn off your computer, and reconnect the speakers.
Press the Sleep button (select models only), or press the Esc key on the
keyboard to resume from sleep mode.
Replace the passive speaker system with an active speaker system (sold
separately). Active speakers have a power cord and On button and connect to
the Audio Out (green) connector on the computer.
Unplug headphones if they are connected to your computer.
Codec error messages appear
when certain audio files are
played.
Open the file in Windows Media Player. Ensure Windows Media Player is
configured to automatically download codecs.
 If the correct codec is available, the file will play. Note that you must be
connected to the Internet to download the codec file.
 If the correct codec is not available, check to see if there is an update
available for Windows Media Player.
For more information, open Windows Media Player Help, and then search the
online Help for codec.