HP Desktop Pro G2 Maintenance and Service Guide - Page 65
Solving audio problems, listed in the following table.
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Certain typed symbols do not appear correct. Cause The font you are using does not support that particular symbol. Solution Use the Character Map to locate and select the appropriate symbol. You can copy the symbol from the Character Map into a document. In Windows 10, type ch in the taskbar search box, and then select Character Map from the list of applications. Solving audio problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Headset microphone connected to the front is not working or is very quiet. Cause Solution The front Headset connector supports CTIA (Cellular Telephone Industries Association) style headsets and not OMTP (Open Mobile Terminal Platform) style headsets. These differ by the microphone connections. Make sure that a CTIA style headset is being used or use an OMTP style headset with a commercially available adapter that converts an OMTP headset to the CTIA pinout. Sound cuts in and out. Cause Processor resources are being used by other open applications. Solution Shut down all open processor-intensive applications. Sound does not come out of the speaker or headphones. Cause Solution Software volume control is turned down or muted. Double-click the Speaker icon on the taskbar, then make sure that Mute is not selected and use the volume slider to adjust the volume. Audio is hidden in Computer Setup. Enable the audio in Computer Setup: Security > Device Security. The external speakers are not turned on. Turn on the external speakers. The audio device may be connected to the wrong jack. Ensure that the device is connected to the correct jack on the computer. The rear audio jack output is the green receptacle. The speakers should be plugged into the line-out jack and the headphones should be plugged into the headphone jack. External speakers plugged into the wrong audio jack on a recently See the sound card documentation for proper speaker connection. installed sound card. The rear audio jack output is the green receptacle. Headphones or devices connected to the line-out connector mute Turn on and use headphones or external speakers, if connected, the internal speaker. or disconnect headphones or external speakers. Computer is in Sleep state. Press the power button to resume from Sleep state. Solving audio problems 57