No Sound From Headphones; Video And Monitor Problems; If The Screen Is Blank - Dell Dimension H7228 Owner's Manual

Dell desktop computer owner's manual
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EINSTALL THE AUDIO
R
C
HECK FOR INTERRUPT REQUEST CONFLICTS

No sound from headphones

C
HECK THE HEADPHONE CABLE CONNECTION
the headphone connector (see page 53).
D
ISABLE DIGITAL MODE
To disable digital mode:
1
Click the Start button, click Control Panel, and then click Sounds, Speech, and Audio Devices.
2
Click Sounds and Audio Devices.
3
Click the Hardware tab.
4
Double-click the name of your CD drive.
5
Click the Properties tab.
6
Uncheck the Enable digital CD audio for this CD-ROM device box.
A
DJUST THE
corner of your screen. Ensure that the volume is turned up and that the sound is not muted.

Video and Monitor Problems

If the screen is blank

NOTE:
See the monitor documentation for troubleshooting procedures.
C
HECK THE MONITOR POWER LIGHT
monitor is turned on. If the power light is lit or blinking, the monitor has power. If the power light
is blinking, press a key on the keyboard or move the mouse.
HECK THE MONITOR CABLE CONNECTION
C
for monitor cable connectors to have missing pins.) Ensure that the video cable is connected as
shown on the setup diagram for your computer.
T
EST THE ELECTRICAL OUTLET
device, such as a lamp.
40
Solving Problems
SOUND
DRIVER
— See page 49.
(
)
— See page 52.
— Your headphones do not work if the CD drive is operating in digital mode.
— Click or double-click the speaker icon in the lower-right
W
INDOWS VOLUME CONTROL
— If the power light is off, firmly press the button to ensure that the
— Check the connector for bent or broken pins. (It is normal
— Ensure that the electrical outlet is working by testing it with another
— Ensure that the headphone cable is securely inserted into

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