Dell M2300 User's Guide - Page 96

If only part of the display is readable, Start, Control Panel, Appearance and Themes, Display

Page 96 highlights

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 - If your external speaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computer or external monitor. ELIMINATE POSSIBLE INTERFERENCE - Turn off nearby fans, fluorescent lights, halogen lamps, or 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 - Eliminate sunlight glare, which can cause poor picture quality. ADJUST THE WINDOWS DISPLAY SETTINGS - 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. RUN THE VIDEO DIAGNOSTICS TESTS - If no error message appears and you still have a display problem, but the display is not completely blank, run the Video device group in the Dell Diagnostics. If the problem persists, contact Dell (see "Obtaining Assistance" on page 143). SEE "ERROR MESSAGES" - If an error message appears, see "Error Messages" on page 82 If only part of the display is readable CONNECT AN EXTERNAL MONITOR - 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 "Obtaining Assistance" on page 143). 96 Troubleshooting

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96
Troubleshooting
M
OVE
THE
EXTERNAL
SUBWOOFER
AWAY
FROM
THE
COMPUTER
OR
MONITOR
If your external speaker
system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computer
or external monitor.
E
LIMINATE
POSSIBLE
INTERFERENCE
Turn off nearby fans, fluorescent lights, halogen lamps, or other
appliances.
R
OTATE
THE
COMPUTER
TO
FACE
A
DIFFERENT
DIRECTION
Eliminate sunlight glare, which can cause poor
picture quality.
A
DJUST
THE
W
INDOWS
DISPLAY
SETTINGS
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
.
R
UN
THE
V
IDEO
DIAGNOSTICS
TESTS
If no error message appears and you still have a display problem,
but the display is not completely blank, run the
Video
device group in the Dell Diagnostics. If the
problem persists, contact Dell (see "Obtaining Assistance" on page 143).
S
EE
"E
RROR
M
ESSAGES
"—
If an error message appears, see "Error Messages" on page 82
If only part of the display is readable
C
ONNECT
AN
EXTERNAL
MONITOR
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 "Obtaining Assistance" on page 143).