Dell Precision T5400 Quick Reference Guide - Page 52

No sound from headphones, Video and Monitor Problems, Product Information Guide, The screen is blank - video card

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TE S T T H E E L E C T R I C A L O U T L E T - Ensure that the electrical outlet is working by testing it with another device, such as a lamp. E L I M I N A T E P O S S I B L E I N T E R F E R E N C E - Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. RUN THE SPEAKER DIAGNOSTICS R E I N S T A L L T H E S O U N D D R I V E R - See "Drivers" in your User's Guide. R U N T H E H A R D W A R E TR O U B L E S H O O T E R - See "Restoring Your Operating System" in your User's Guide. No sound from headphones C 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 - Ensure that the headphone cable is securely inserted into the headphone connector (see "About Your Computer" in your User's Guide). A D J U S T T H E W I N D O W S V O L U M E C O N T R O L - 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. Video and Monitor Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: If your computer came with a PCI Express graphics card installed, removal of the card is not necessary when installing additional graphics cards; however, the card is required for troubleshooting purposes. If you remove the card, store it in a safe and secure location. For information about your graphics card, go to support.dell.com. The screen is blank NOTE: For troubleshooting procedures, see the monitor's documentation. CHECK THE MONITOR CABLE CONNECTION - • Ensure that the monitor cable is connected to the correct graphics card (for dual graphics card configurations). • If you are using a DVI-to-VGA adapter, ensure that the adapter is correctly attached to the graphics card and monitor. • 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. 52 Quick Reference Guide

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52
Quick Reference Guide
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
UN
THE
SPEAKER
DIAGNOSTICS
R
EINSTALL
THE
SOUND
DRIVER
—
See "Drivers" in your
User’s Guide
.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Restoring Your Operating System"
in your
User’s Guide
.
No sound from headphones
C
HECK
THE
HEADPHONE
CABLE
CONNECTION
—
Ensure that the headphone cable is
securely inserted into the headphone connector (see "About Your Computer" in your
User’s Guide
).
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.
Video and Monitor Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
NOTICE:
If your computer came with a PCI Express graphics card installed, removal of
the card is not necessary when installing additional graphics cards; however, the card
is required for troubleshooting purposes. If you remove the card, store it in a safe and
secure location. For information about your graphics card, go to
support.dell.com
.
The screen is blank
NOTE:
For troubleshooting procedures, see the monitor’s documentation.
C
HECK
THE
MONITOR
CABLE
CONNECTION
—
•
Ensure that the monitor cable is connected to the correct graphics card (for dual
graphics card configurations).
•
If you are using a DVI-to-VGA adapter, ensure that the adapter is correctly attached to
the graphics card and monitor.
•
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.