If the display is difficult to read
D J U S T T H E B R I G H T N E S S
A
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
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.
D J U S T T H E
I N D O W S D I S P L A Y S E T T I N G S
A
W
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
E S S A G E S
S
"E
M
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 adjust the monitor brightness and contrast controls.
If the external monitor works, the computer display or video controller may be defective. Contact Dell.
See "FCC Notices (U.S. Only)" on page 102.
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.
A driver acts like a translator between the device and any other programs that use the device. Each
device has its own set of specialized commands that only its driver recognizes.
— Press <Fn> and the up- or down-arrow key.
— Turn off nearby fans, fluorescent lights, halogen lamps, or
—
" — If an error message appears, see page 56.
—
— If your external
— Eliminate sunlight glare, which can
69
Solving Problems