Dell Latitude 131L - Manual (Page 80)

80
Solving Problems
Video and Display Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
If the display is blank
NOTE:
If you are using a program that requires a higher resolution than your computer supports, it is
recommended that you attach an external monitor to your computer.
C HECK THE BATTERY — If you are using a battery to power your computer, the battery charge may be
depleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.
T EST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.
C HECK THE A C ADAPTER — Check the AC adapter cable connections. If the AC adapter has a light, ensure
that the light is on.
C ONNECT THE COMPUTER DIRECTLY TO AN ELECTRICAL OUTLET — Bypass power protection devices, power
strips, and the extension cable to verify that the computer turns on.
A DJUST THE POWER PROPERTIES — Search for the keyword standby in the Windows Help and Support
Center. To access the Help and Support Center, see "Windows Help and Support Center" on page 13.
S WITCH THE VIDEO IMAGE — If your computer is attached to an external monitor, press to
switch the video image to the display.
If the display is difficult to read
A DJUST THE BRIGHTNESS — Press and the up- or down-arrow key.
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.
Try different settings for Color quality and Screen resolution.
book.book Page 80 Wednesday, April 4, 2007 7:31 AM