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
M
O V E T H E E X T E R N A L S U B W O O F E R A W A Y F R O M T H E C O M P U T E R O R M O N I T O R
your external speaker system includes a subwoofer, ensure that the subwoofer
is at least 60 cm (2 ft) away from the computer or external monitor.
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
E
halogen lamps, or other appliances.
R
O T A T E T H E C O M P U T E R T O F A C E A D I F F E R E N T D I R E C T I O N
glare, which can cause poor picture quality.
D J U S T T H E
A
1 Click Start→ Control Panel→ Display.
2 Click the area you want to change or click the Display icon.
3 Try different settings for Color quality and Screen resolution.
U N T H E
R
still have a display problem, but the display is not completely blank, run the
Video device group in the "Dell Diagnostics" on page 75, then contact Dell
(see "Contacting Dell" on page 132).
E E
S
on page 82.
If only part of the display is readable
C
O N N E C T A N E X T E R N A L M O N I T O R
1 Shut down your computer and connect an external monitor to the computer.
2 Turn on the computer and the monitor, and then adjust the monitor
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I N D O W S D I S P L A Y S E T T I N G S
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I D E O D I A G N O S T I C S T E S T S
V
R R O R
E S S A G E S
"E
M
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brightness and contrast controls.
If the external monitor works, the computer display or video controller
may be defective. Contact Dell (see "Contacting Dell" on page 132).
manuals search engine
Press <Fn> and the up- or down-arrow key.
Turn off nearby fans, fluorescent lights,
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If no error message appears and you
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If an error message appears, see "Error Messages"
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Eliminate sunlight
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Troubleshooting
If
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