HP ProDesk 600 G4 Micro Maintenance and Service Guide - Page 85

Solving audio problems, listed in the following table.

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Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen (flat panel monitors using an analog VGA input connection only). Cause Solution the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or is bad (some models). 1. Reseat the graphics card. 2. Replace the graphics card. 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. 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. 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 Software volume control is turned down or muted. Audio is hidden in Computer Setup. The external speakers are not turned on. The audio device may be connected to the wrong jack. External speakers plugged into the wrong audio jack on a recently installed sound card. Headphones or devices connected to the line-out connector mute the internal speaker. Computer is in Sleep state. Solution 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. Enable the audio in Computer Setup: Advanced > Built-in Device Options. Turn on the external speakers. Ensure that the device is connected to the correct jack on the computer. The speakers should be plugged into the line-out jack and the headphones should be plugged into the headphone jack. See the sound card documentation for proper speaker connection. The rear audio jack output is the green receptacle. Turn on and use headphones or external speakers, if connected, or disconnect headphones or external speakers. Press the power button to resume from Sleep state. Solving audio problems 77

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Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on
the screen (flat panel monitors using an analog VGA input connection only).
Cause
Solution
the appropriate monitor, and download either SP32347 or
SP32202:
support
Graphics card is not seated properly or is bad (some models).
1.
Reseat the graphics card.
2.
Replace the graphics card.
Certain typed symbols do not appear correct.
Cause
Solution
The font you are using does not support that particular symbol.
Use the Character Map to locate and select the appropriate symbol.
You can copy the symbol from the Character Map into a document.
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.
Sound cuts in and out.
Cause
Solution
Processor resources are being used by other open applications.
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:
Advanced
>
Built-in Device
Options
.
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 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
installed sound card.
See the sound card documentation for proper speaker connection.
The rear audio jack output is the green receptacle.
Headphones or devices connected to the line-out connector mute
the internal speaker.
Turn on and use headphones or external speakers, if connected, or
disconnect headphones or external speakers.
Computer is in Sleep state.
Press the power button to resume from Sleep state.
Solving audio problems
77