HP Xw4600 HP xw4600 Workstation - Service and Technical Reference Guide - Page 130

Solving audio problems, Problem, Cause, Solution, Auto-Adjustment, Start>All Programs&gt

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Table 6-6 Display problems (continued) Problem Cause Solution The picture is broken up, rolls, jitters, or flashes. The monitor connections might 1. be incomplete, or the monitor might be incorrectly adjusted. 2. Be sure the monitor cable is securely connected to the workstation. 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. Monitor must be degaussed. Degauss the monitor. Vibrating or rattling noise coming from inside a CRT monitor when powered on. Monitor degaussing coil has been activated. None. It is normal for the degaussing coil to be activated when the monitor is powered on. Clicking noise coming from inside a Electronic relays have been CRT monitor. activated inside the monitor. 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. High pitched noise coming from inside a flat-panel monitor. Brightness and contrast settings are too high. Lower brightness and contrast settings. 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.) Flat-panel monitor's internal digital conversion circuits might be unable to correctly interpret the output synchronization of the graphics card. 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). Certain typed symbols do not appear correctly. The font you are using does not support that particular symbol. 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. Solving audio problems Table 6-7 Audio problems Problem Sound does not come out of the speaker or headphones. Cause Solution Software volume control is turned down. Double-click the Speaker icon on the taskbar and use the volume slider to adjust the volume. The external speakers are not Turn on the external speakers. turned on. External speakers plugged into See your sound card documentation for proper speaker the wrong audio jack. connection. Audio cable not connected. Connect audio cable between CD or DVD-ROM drive and the system board. 120 Chapter 6 System diagnostics and troubleshooting ENWW

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Problem
Cause
Solution
The picture is broken up, rolls,
jitters, or flashes.
The monitor connections might
be incomplete, or the monitor
might be incorrectly adjusted.
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.
Monitor must be degaussed.
Degauss the monitor.
Vibrating or rattling noise coming
from inside a CRT monitor when
powered on.
Monitor degaussing coil has
been activated.
None. It is normal for the degaussing coil to be activated
when the monitor is powered on.
Clicking noise coming from inside a
CRT monitor.
Electronic relays have been
activated inside the monitor.
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.
High pitched noise coming from
inside a flat-panel monitor.
Brightness and contrast
settings are too high.
Lower brightness and contrast settings.
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.)
Flat-panel monitor’s internal
digital conversion circuits
might be unable to correctly
interpret the output
synchronization of the
graphics card.
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).
Certain typed symbols do not
appear correctly.
The font you are using does
not support that particular
symbol.
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.
Solving audio problems
Table 6-7
Audio problems
Problem
Cause
Solution
Sound does not come out of the
speaker or headphones.
Software volume control is
turned down.
Double-click the
Speaker
icon on the taskbar and use the
volume slider to adjust the volume.
The external speakers are not
turned on.
Turn on the external speakers.
External speakers plugged into
the wrong audio jack.
See your sound card documentation for proper speaker
connection.
Audio cable not connected.
Connect audio cable between CD or DVD-ROM drive and
the system board.
Table 6-6
Display problems (continued)
120
Chapter 6
System diagnostics and troubleshooting
ENWW