Dell XPS M2010, Owner'S Manual

Page: 110 / 192

110
Troubleshooting
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.
C HECK THE SYSTEM SETUP PROGRAM SETTINGS —
Verify that the system setup program lists the correct
device for the pointing device option. (The computer automatically recognizes a USB mouse without
making any setting adjustments.)
T EST THE MOUSE CONTROLLER —
To test the mouse controller (which affects pointer movement) and the
operation of the touch pad or mouse buttons, run the Mouse test in the Pointing Devices test group in
the Dell Diagnostics. See "Dell Diagnostics" on page 91.
R EINSTALL THE TOUCH PAD DRIVER —
See "Reinstalling Drivers and Utilities" on page 124.
Video and Display Problems
Fill out the Diagnostics Checklist (see "Dell Diagnostics" on page 91) as you complete these checks.
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.