Dell XPS M1210, Owner'S Manual, Page: 104 / 192

104
Troubleshooting
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 and Utilities" on page 106.
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 <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.
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.