16 Troubleshooting and Diagnostics zt1000/xz300 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 in the taskbar, 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.
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 31.
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. Then in Volume Control, make sure the microphone is muted.
• Avoid using the built-in microphone and built-in speakers at the same time.
