If Only Part Of The Display Is Readable; Power Lights - Dell Precision M6300 User Manual

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
H E C K T H E M O N I T O R S E T T I N G S
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
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
lights, halogen 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
A W
D J U S T T H E
Windows XP:
Click Start→ Control Panel→ Appearance and Themes.
1
Click the area you want to change or click the Display icon.
2
Try different settings for Color quality and Screen resolution.
3
Windows Vista:
Start
Click
1
Display Settings.
Adjust Resolution and Colors settings, as needed.
2
C
H E C K T H E M O N I T O R S E T T I N G S
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.

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 "Contacting Dell

Power Lights

CAUTION:
safety instructions in the
158
Troubleshooting
— Ensure that the electrical outlet is working by
— See the monitor documentation for instructions
I N D O W S D I S P L A Y S E T T I N G S
→ Control Panel→ Hardware and Sound→ Personalization→
— See the monitor documentation for instructions
Before you begin any of the procedures in this section, follow the
Product Information Guide
— Fans, fluorescent
).
" on page 263
.