Maintenance and Service Guide
Table Of Contents
- Computer features
- Illustrated parts catalog
- Routine care, SATA drive guidelines, and disassembly preparation
- Removal and replacement procedures
- Computer Setup (F10) Utility
- Troubleshooting without diagnostics
- Safety and comfort
- Before you call for technical support
- Helpful hints
- Solving general problems
- Solving power problems
- Solving hard drive problems
- Solving media card reader problems
- Solving display problems
- Solving audio problems
- Solving printer problems
- Solving keyboard and mouse problems
- Solving hardware installation problems
- Solving network problems
- Solving memory problems
- Solving CD-ROM and DVD problems
- Solving USB flash drive problems
- Solving front panel component problems
- Solving Internet access problems
- Solving software problems
- POST error messages
- Password security and resetting CMOS
- Using HP PC Hardware Diagnostics
- Backing up, restoring, and recovering
- Power cord set requirements
- Statement of memory volatility
- Specifications
- Index

Headset microphone connected to the front is not working or is very quiet.
Cause Solution
Terminal Platform) style headsets. These dier by the
microphone connections.
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, 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 might be connected to the wrong jack. Make sure 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.
IMPORTANT: When attempting to resume from Sleep state, do
not hold down the power button for more than 4 s. 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 might 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 might 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.
86 Chapter 6 Troubleshooting without diagnostics