Dell Dimension 9200 - Manual (Page 62)

62
Solving Problems
No sound from headphones
Video and Monitor Problems
CAUTION:
Before you perform any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTE:
See the monitor documentation for troubleshooting procedures.
The screen is blank
D ISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR — Sound from the speakers is
automatically disabled when headphones are connected to the computer’s front-panel headphone
connector.
T EST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.
E LIMINATE POSSIBLE INTERFERENCE — Turn off nearby fans, fluorescent lights, or halogen lamps to
check for interference.
R EINSTALL THE SOUND DRIVER — See "Reinstalling Drivers" on page 71.
R UN THE H ARDWARE T ROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities"
on page 72.
C HECK THE HEADPHONE CABLE CONNECTION — Ensure that the headphone cable is securely inserted
into the headphone connector (see "Front View of the Computer" on page 13).
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 monitor cable is connected as shown on the setup diagram for your computer.
• Remove any video extension cables and connect the monitor directly to the computer.
• Swap the computer and monitor power cables to determine if the power cable is defective.
• Check the connectors for bent or broken pins (it is normal for monitor cable connectors to have missing
pins).
DIM_book.book Page 62 Monday, October 15, 2007 11:04 AM