Solving Audio Problems - HP Xw4600 - Workstation - 2 GB RAM Technical Reference Manual

Table 6-6 Display problems (continued)
The picture is broken up, rolls,
jitters, or flashes.
Vibrating or rattling noise coming
from inside a CRT monitor when
powered on.
Clicking noise coming from inside a
CRT monitor.
High pitched noise coming from
inside a flat-panel monitor.
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.)
Certain typed symbols do not
appear correctly.

Solving audio problems

Table 6-7
Sound does not come out of the
speaker or headphones.
120 Chapter 6 System diagnostics and troubleshooting
Problem
The monitor connections might
be incomplete, or the monitor
might be incorrectly adjusted.
Monitor must be degaussed.
Monitor degaussing coil has
been activated.
Electronic relays have been
activated inside the monitor.
Brightness and contrast
settings are too high.
Flat-panel monitor's internal
digital conversion circuits
might be unable to correctly
interpret the output
synchronization of the
graphics card.
The font you are using does
not support that particular
symbol.
Audio problems
Problem
Software volume control is
turned down.
The external speakers are not
turned on.
External speakers plugged into
the wrong audio jack.
Audio cable not connected.
Cause
1. Be sure the monitor cable is securely connected to the
workstation.
2. In a two-monitor system, or if another monitor is in
close proximity, ensure that the monitors are not
interfering with each other's electromagnetic field by
moving them apart.
3. Fluorescent lights or fans might be too close to the
monitor.
Degauss the monitor.
None. It is normal for the degaussing coil to be activated
when the monitor is powered on.
None. It is normal for some monitors to make a clicking
noise when turned on and off, when going in and out of
Standby mode, and when changing resolutions.
Lower brightness and contrast settings.
1. Select the monitor's Auto-Adjustment option in the
monitor's onscreen display menu.
2. Manually synchronize the Clock and Clock Phase
onscreen display functions. Download SoftPaq
SP20930 or SP22333 (depending on the monitor) to
assist with the synchronization).
Use the Character Map to locate and select the appropriate
symbol. Select Start>All Programs>
Accessories>System Tools>Character Map. You can
copy the symbol from the Character Map into a document.
Cause
Double-click the Speaker icon on the taskbar and use the
volume slider to adjust the volume.
Turn on the external speakers.
See your sound card documentation for proper speaker
connection.
Connect audio cable between CD or DVD-ROM drive and
the system board.
Solution
Solution
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