DELL 200 User Manual

Page of 132
42
Solving Problems
No sound from headphones
Video and Monitor Problems
 
CAUTION: 
Before you begin any of the procedures in this section, follow the safety instructions 
located in the Product Information Guide.
 
NOTE: 
See the monitor documentation for troubleshooting procedures.
If the screen is blank
R
UN
 
THE
 
SPEAKER
 
DIAGNOSTICS
— S
EE
 
YOUR
 
SPEAKER
 
DOCUMENTATION
 
FOR
 
MORE
 
INFORMATION
.
R
EINSTALL
 
THE
 
SOUND
 
DRIVER
R
UN
 
THE
  H
ARDWARE
  T
ROUBLESHOOTER
C
HECK
 
THE
 
HEADPHONE
 
CABLE
 
CONNECTION
Ensure that the headphone cable is securely inserted 
into the headphone connector (see page 57).
A
DJUST
 
THE
  W
INDOWS
 
VOLUME
 
CONTROL
Click or double-click the speaker icon in the lower-right 
corner of your screen. Ensure that the volume is turned up and that the sound is not muted.
C
HECK
 
THE
 
MONITOR
 
CABLE
 
CONNECTION
• 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
HECK
 
THE
 
MONITOR
 
POWER
 
LIGHT
If the power light is off, firmly press the button to ensure that 
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.