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HP dx7400 - Microtower PC Troubleshooting Guide

HP dx7400 - Microtower PC
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Sound does not come out of the speaker or headphones.
Cause Solution
Computer is in standby mode. Press the power button to resume from standby mode.
CAUTION: When attempting to resume from standby mode,
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 > Device Options > Internal Speaker.
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.
Table 2-7 Solving Audio Problems (continued)
28 Chapter 2 Troubleshooting Without Diagnostics ENWW

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HP dx7400 - Microtower PC Specifications

General IconGeneral
MemoryUp to 8 GB DDR2 SDRAM
AudioIntegrated High Definition Audio
Power Supply300W
ProcessorIntel Core 2 Duo, Pentium Dual-Core, or Celeron
StorageSATA Hard Drive
Optical DriveDVD-ROM, DVD+/-RW
GraphicsIntegrated Intel Graphics Media Accelerator 3100
NetworkingIntegrated Gigabit Ethernet
Expansion Slots1 PCI Express x16
Ports1 serial, 1 parallel, audio in/out
Operating SystemWindows XP Professional

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