HP ProDesk 600 G4 Desktop Mini PC Instrukcja Użytkownika Strona 74
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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 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
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.
CAUTION: When attempting to resume from Sleep state, do not
hold down the power button for more than four seconds.
Otherwise, the computer will shut down and you will lose any
unsaved data.
Internal speaker is disabled in Computer Setup. Enable the internal speaker in Computer Setup. Select Advanced >
Built-in Device Options.
The application is set to use a dierent audio device than
speakers.
Some graphics cards support audio over the DisplayPort
connection (if applicable), so multiple audio devices may be listed
in Device Manager. Make sure the correct device is being used.
To access Device Manager in Windows 10, type device
manager in the taskbar search box, and then select Device
Manager from the list of applications.
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 dierent audio
device as the default output device than what is expected.
Set the operating system to use the correct audio device.
66 Chapter 6 Troubleshooting without diagnostics
- Maintenance and Service Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Product features 9
- Rear panel components 10
- Serial number location 10
- 2 Illustrated parts catalog 11
- Miscellaneous parts 13
- Generating static 15
- Grounding the work area 16
- Operating guidelines 17
- Routine care 18
- Service considerations 19
- SATA hard drives 20
- Warnings and cautions 21
- Preparation for disassembly 22
- Front bezel dust lter 22
- Access panel 23
- Front bezel 24
- Hood sensor 25
- Hard drive 27
- Hard drive connector 28
- Drive cage 29
- WLAN module 31
- Expansion connector board 34
- Memory modules 35
- Heat sink 39
- Processor 41
- System board 42
- System board components 45
- Internal WLAN antenna cables 46
- Computer Setup–Main 51
- Computer Setup—Security 53
- Computer Setup—Advanced 56
- Computer Setup—UEFI Drivers 60
- Safety and comfort 61
- Helpful hints 62
- Solving general problems 63
- Solving general problems 57 65
- Solving power problems 66
- Solving hard drive problems 67
- Solving display problems 70
- Solving display problems 63 71
- Solving display problems 65 73
- Solving audio problems 74
- Solving printer problems 75
- Solving network problems 79
- Solving memory problems 81
- Solving software problems 84
- Solving software problems 77 85
- Resetting the password jumper 93
- A Power Cord Set Requirements 101
- Country-Specic Requirements 102
- Nonvolatile memory usage 105
- Questions and answers 107
- C Specications 109
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