3D Connexion ZT1000 ユーザーズマニュアル

ページ / 58
16 
Troubleshooting and Diagnostics 
zt1100/xz200 and xt1500 Series 
 
 
Troubleshooting and Self-Repair Guide 
Troubleshooting and Diagnostics 
This section contains solutions to several types of problems you may encounter when using the 
notebook. Try the solutions one at a time, in the order in which they are presented. 
You can also find technical tips and software updates for the notebook at the HP Business Support 
web site (www.hp.com/go/bizsupport). 
Audio Problems 
If no sound is audible 
•  Press Fn+Page Up several times. 
•  If available, press the rear volume control several times. 
•  Click the speaker icon on the taskbar (if present), and make sure Mute is not checked and the 
Volume slider is not set to the bottom. 
•  If available, press the mute button on the right side of the notebook once or twice until the 
indicator light goes off. 
•  The notebook’s sound may not operate properly in MS-DOS mode. 
If sound does not record 
•  Check the software controls for recording sound: click Start, All Programs, Accessories, 
Entertainment, Sound Recorder. 
•  In Volume Control, click Options, Properties, and make sure the microphone is enabled in the 
recording controls. 
•  Test the audio with the e-Diagtools diagnostics— see “Using the e-Diagtools Diagnostic Tests” 
on page 33. 
If you hear a loud high-pitched whine (feedback) from the speakers 
•  In Volume Control, try reducing the master volume. 
•  In Volume Control, click Options, Properties, and select the microphone option for the playback 
settings. Make sure the microphone is muted. 
•  Avoid using the built-in microphone and built-in speakers at the same time.