DELL 5160 ユーザーズマニュアル

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Solving Problems
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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
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 
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.