Video And Display Problems - Dell Latitude ATG E6400 Setup And Quick Reference Manual

FILE LOCATION: S:\systems\Roush ATG\QRG\A00\EN\source\trouble.fm
C O M P U T E R T H R O U G H T H E
S
C A N T H E C O M P U T E R F O R S P Y W A R E
performance, you frequently receive pop-up advertisements, or you are having
problems connecting to the Internet, your computer might be infected with
spyware. Use an anti-virus program that includes anti-spyware protection
(your program may require an upgrade) to scan the computer and remove
spyware. For more information, go to support.dell.com and search for the
keyword spyware.
R D D
U N T H E E L L I A G N O S T I C S
is related to a software problem (see "Dell Diagnostics" on page 52).

Video and Display Problems

CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the the safety information that shipped with your computer.
If the display is blank
NOTE:
If you are using a program that requires a higher resolution than your
computer supports, it is recommended that you attach an external monitor to your
computer.
C
H E C K T H E B A T T E R Y
battery charge may be depleted. Connect the computer to an electrical outlet
using the AC adapter, and then turn on the computer.
T
E S T T H E E L E C T R I C A L O U T L E T
testing it with another device, such as a lamp.
C AC
H E C K T H E A D A P T E R
AC adapter has a light, ensure that the light is on.
C
O N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I C A L O U T L E T
protection devices, power strips, and extension cables to verify that the
computer turns on.
A
D J U S T T H E P O W E R P R O P E R T I E S
Help and Support.
S
W I T C H T H E V I D E O I M A G E
monitor, press <Fn><F8> to switch the video image to the display.
If the display is difficult to read
A
D J U S T T H E B R I G H T N E S S
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 2 / 1 0 / 0 8 - F O R P R O O F O N LY
S
T A R T M E N U
If you are experiencing slow computer
—
If all tests run successfully, the error condition
—
If you are using a battery to power your computer, the
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Ensure that the electrical outlet is working by
—
Check the AC adapter cable connections. If the
—
Search for the keyword sleep in Windows
—
If your computer is attached to an external
—
Press <Fn> and the up- or down-arrow key.
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Bypass power
—
Troubleshooting
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