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
and the down-arrow key to decrease the brightness.
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
M
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
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
cause poor picture quality.
A
D J U S T T H E
1
Click the Start button and then click Control Panel.
2
Click Appearance and Themes.
3
Click the area you want to change or click the Display icon.
4
Try different settings for Color quality and Screen resolution.
E E
R R O R
S
" E
If only part of the display is readable
O N N E C T A N E X T E R N A L M O N I T O R
C
1
Shut down your computer and connect an external monitor to the computer.
2
Turn on the computer and the monitor and adjust the monitor brightness and contrast controls.
If the external monitor works, the computer display or video controller may be defective. Contact Dell
(see page 91).
Drivers
What Is a Driver?
A driver is a program that controls a device such as a printer, mouse, or keyboard. All devices require
a driver program.
68
Solving Problems
— Press <Fn> and the up-arrow key to increase the brightness and <Fn>
— Turn off nearby fans, fluorescent lights, halogen lamps, or
W
I N D O W S D I S P L A Y S E T T I N G S
E S S A G E S
M
" — If an error message appears, see page 56.
—
— Eliminate sunlight glare, which can
—
— If your external