No Sound From Headphones; Video And Monitor Problems; If The Screen Is Blank - Dell Dimension T8243 Owner's Manual

R U N T H E S P E A K E R D I A G N O S T I C S
I N F O R M A T I O N
R E I N S T A L L T H E S O U N D D R I V E R
U N T H E A R D W A R E
R H

No sound from headphones

H E C K T H E H E A D P H O N E C A B L E C O N N E C T I O N
C
into the headphone connector (see page 57).
D J U S T T H E
A
corner of your screen. Ensure that the volume is turned up and that the sound is not muted.

Video and Monitor Problems

NOTE:
See the monitor documentation for troubleshooting procedures.
CAUTION:
located in the Product Information Guide.

If the screen is blank

C H E C K T H E M O N I T O R C A B L E C O N N E C T I O N
• Ensure that the graphics cable is connected as shown on the setup diagram for your computer.
• If you are using a graphics extension cable and removing the cable solves the problem, the cable is
defective.
• Swap the computer and monitor power cables to determine if the power cable is defective.
• Check the connector for bent or broken pins. (It is normal for monitor cable connectors to have missing
pins.)
C H E C K T H E M O N I T O R P O W E R L I G H T
the 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.
40
Solving Problems
— S
.
— See page 48.
R O U B L E S H O O T E R
T
I N D O W S V O L U M E C O N T R O L
W
Before you begin any of the procedures in this section, follow the safety instructions
— If the power light is off, firmly press the button to ensure that
E E Y O U R S P E A K E R D O C U M E N T A T I O N F O R M O R E
— See page 49.
— Ensure that the headphone cable is securely inserted
— Click or double-click the speaker icon in the lower-right
—