HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 113

Solving audio problems, Table 5-7

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Table 5-6 Display problems (continued) Problem Cause Solution The picture is fragmented, rolls, jitters, or flashes. The monitor connections might 1. be incomplete, or the monitor might be incorrectly adjusted. 2. Ensure the monitor cable is securely connected to the workstation. In a two-monitor system or if another monitor is in close proximity, ensure the electromagnetic field of each monitor is not interfering with the other monitor by moving them further from each other. 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, Flat-panel monitor internal 1. or shadowing effects; horizontal digital conversion circuits scrolling lines; faint vertical bars; or might be unable to correctly unable to center the picture on the interpret the output 2. screen. (Flat-panel monitors using synchronization of the graphic an analog VGA input connection card. only.) Select the monitor Auto-Adjustment option in the monitor on-screen display menu. Manually synchronize the Clock and Clock Phase onscreen display functions. Download SoftPaq SP20930 or SP22333, depending on the monitor, to assist with the synchronization. You can download the most recent SoftPaq release from: http://www.hp.com/support/workstation_swdrivers Certain typed symbols do not appear correctly. The font you are using does not support that particular symbol. Use the Character Map to locate the and select the appropriate symbol. ClickStart>All Programs> Accessories>System Tools>Character Map. You can copy the symbol from the Character Map into a document. Solving audio problems Table 5-7 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 the sound card documentation for proper speaker the wrong audio jack. connection. Audio cable not connected. Connect audio cable between DVD-ROM drive and the system board. Digital CD audio is not enabled. Enable digital CD audio: 1. From the Control Panel, select System. 2. On the Hardware tab, click the Device Manager button. ENWW Customer self help 105

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Problem
Cause
Solution
The picture is fragmented, rolls,
jitters, or flashes.
The monitor connections might
be incomplete, or the monitor
might be incorrectly adjusted.
1.
Ensure the monitor cable is securely connected to the
workstation.
2.
In a two-monitor system or if another monitor is in
close proximity, ensure the electromagnetic field of
each monitor is not interfering with the other monitor
by moving them further from each other.
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 internal
digital conversion circuits
might be unable to correctly
interpret the output
synchronization of the graphic
card.
1.
Select the monitor
Auto-Adjustment
option in the
monitor on-screen display menu.
2.
Manually synchronize the Clock and Clock Phase on-
screen display functions. Download SoftPaq
SP20930 or SP22333, depending on the monitor, to
assist with the synchronization. You can download
the most recent SoftPaq release from:
support/workstation_swdrivers
Certain typed symbols do not
appear correctly.
The font you are using does
not support that particular
symbol.
Use the Character Map to locate the and select the
appropriate symbol. Click
Start>All Programs>
Accessories>System Tools>Character Map
. You can
copy the symbol from the Character Map into a document.
Solving audio problems
Table 5-7
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 the sound card documentation for proper speaker
connection.
Audio cable not connected.
Connect audio cable between DVD-ROM drive and the
system board.
Digital CD audio is
not enabled.
Enable digital CD audio:
1.
From the Control Panel, select
System.
2.
On the Hardware tab, click the
Device Manager
button.
Table 5-6
Display problems (continued)
ENWW
Customer self help
105