Video and display problems, If the display is blank – Dell Inspiron 9300 User Manual
Page 70
70
Solving Problems
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.dell.com | support.dell.com
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.
T
O
VERIFY
THAT
THE
PROBLEM
IS
WITH
THE
MOUSE
,
CHECK
THE
TOUCH
PAD
—
1
Shut down the computer.
2
Disconnect the mouse.
3
Turn on the computer.
4
At the Windows
desktop, use the touch pad to move the cursor around, select an icon, and open it.
If the touch pad operates correctly, the mouse may be defective.
R
EINSTALL
THE
TOUCH
PAD
DRIVER
—
See "Reinstalling Drivers" on page 72.
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 help, see page 9.
S
WITCH
THE
VIDEO
IMAGE
—
If your computer is attached to an external monitor, press
to switch the video image to the display.