HP RP7 Maintenance & Service Guide HP RP7 Retail System Model 7800 - Page 158

Solving printer problems, If you encounter printer problems

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Sound from headphones is not clear or muffled. Cause Headphones are plugged into the rear audio output connector. The rear audio output connector is for powered audio devices and is not designed for headphone use. Solution Plug the headphones into the headphone connector on the front of the computer. Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format. Line-in jack is not functioning properly. Cause Solution Jack has been reconfigured in the audio driver or application In the audio driver or application software, reconfigure the software. jack or set the jack to its default value. There is no sound or sound volume is too low. Cause The application is set to use a different audio device than speakers. Some applications can select which audio output device is used. The operating system controls may be set to use a different audio device as the default output device than what is expected. Speakers muted in On-Screen Display (OSD) settings. Solution Make sure the correct device is being used. Make sure the application has selected the correct audio device. Set the operating system to use the correct audio device. Make sure the speakers are not muted in the OSD. Solving printer problems If you encounter printer problems, see the documentation that came with the printer and to the common causes and solutions listed in the following table. Table F-8 Solving printer problems Printer will not print. Cause Printer is not turned on and online. Solution Turn the printer on and make sure it is online. 148 Appendix F Troubleshooting Without Diagnostics

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Sound from headphones is not clear or muffled.
Cause
Solution
Headphones are plugged into the rear audio output
connector. The rear audio output connector is for powered
audio devices and is not designed for headphone use.
Plug the headphones into the headphone connector on the
front of the computer.
Computer appears to be locked up while recording audio.
Cause
Solution
The hard disk may be full.
Before recording, make sure there is enough free space on
the hard disk. You can also try recording the audio file in a
compressed format.
Line-in jack is not functioning properly.
Cause
Solution
Jack has been reconfigured in the audio driver or application
software.
In the audio driver or application software, reconfigure the
jack or set the jack to its default value.
There is no sound or sound volume is too low.
Cause
Solution
The application is set to use a different audio device than
speakers.
Make sure the correct device is being used.
Some applications can select which audio output device is
used.
Make sure the application has selected the correct audio
device.
The operating system controls may be set to use a different
audio device as the default output device than what is
expected.
Set the operating system to use the correct audio device.
Speakers muted in On-Screen Display (OSD) settings.
Make sure the speakers are not muted in the OSD.
Solving printer problems
If you encounter printer problems, see the documentation that came with the printer and to the
common causes and solutions listed in the following table.
Table F-8
Solving printer problems
Printer will not print.
Cause
Solution
Printer is not turned on and online.
Turn the printer on and make sure it is online.
148
Appendix F
Troubleshooting Without Diagnostics