Test the electrical outlet, Check the diagnostic lights, Check the monitor settings – Dell OptiPlex 360 (Late 2008) User Manual
Page 155: Move the subwoofer away from the monitor, Move the monitor away from external power sources, Adjust the windows display settings, 2 adjust resolution and colors settings, as needed, 3d image quality is poor, Only part of the display is readable, Connect another monitor
Troubleshooting
155
• If the power light is blinking, press a key on the keyboard or move the mouse to
resume normal operation.
T
ES T
T H E
EL E CT R I C A L
O U T L E T
— Ensure the electrical outlet is working by testing it
with another 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
— See "Power Lights" on page 123.
C
H E C K
T H E
M O N I T O R
S E T T I N G S
— See the monitor documentation for instructions
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
M
O VE
TH E
SU BWO O FE R
A W A Y
F R O M
T H E
M O N I T O R
— If your speaker system
includes a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters
(2 feet) away from the monitor.
M
O VE
TH E
M O N I T O R
A W A Y
F R O M
E X T ER N A L
PO WE R
S O U R C E S
— Fans, fluorescent
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
GL ARE
A N D
P O S SI B L E
I N T E RF E RE N C E
A
D J U ST
T H E
W
INDO WS
D I S P L A Y
S E T TI N G S
—
Windows XP:
1
Click Start Control Panel Appearance and Themes.
2
Click the area you want to change or click the Display icon.
3
Try different settings for Color quality and Screen resolution.
Windows Vista:
1
Click
Start
Control PanelHardware and SoundPersonalization
Display Settings.
2
Adjust Resolution and Colors settings, as needed.
3D image quality is poor
C
H E C K
T H E
M O N I T O R
S E T T I N G S
— See the monitor documentation for instructions
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
Only part of the display is readable
C
O N N E C T
A N O T H E R
M O N I T O R
—
1 Shut down your computer and connect another monitor to the computer.
2 Turn on the computer, the monitor, and adjust the monitor brightness and
contrast controls.