If The Screen Is Difficult To Read - Dell Dimension 9150 Owner's Manual

T E S T T H E E L E C T R I C A L O U T L E T
device, such as a lamp.
C H E C K T H E D I A G N O S T I C L I G H T S

If the screen is difficult to read

H E C K T H E M O N I T O R S E T T I N G S
C
contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.
M O V E T H E S U B W O O F E R A W A Y F R O M T H E M O N I T O R
ensure that the subwoofer is at least 60 cm (2 ft) away from the monitor.
M O V E T H E M O N I T O R A W A Y F R O M E X T E R N A L P O W E R S O U R C E S
lamps, and other electrical devices can cause the screen image to appear "shaky." Turn off nearby devices
to check for interference.
R O T A T E T H E M O N I T O R T O E L I M I N A T E S U N L I G H T G L A R E A N D P O S S I B L E I N T E R F E R E N C E
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, click Control Panel, and then click Appearance and Themes.
2
Click Display and click the Settings tab.
3
Try different settings for Screen resolution and Color quality.
— Ensure that the electrical outlet is working by testing it with another
— See page 53.
— See the monitor documentation for instructions on adjusting the
— If your speaker system includes a subwoofer,
—
— Fans, fluorescent lights, halogen
Solving Problems
51