DELL PP05XB Manual De Usuario
Troubleshooting
109
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.
S
WITCH
THE
VIDEO
IMAGE
—
If your computer is attached to an external monitor, press <Fn><F8> to
switch the video image to the display.
If the Display Is Difficult to Read
A
DJUST
THE
BRIGHTNESS
—
Press <Fn> 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.
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.
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.
S
EE
" E
RROR
M
ESSAGES
" —
If an error message appears, see "Error Messages" on page 96