Dell PowerEdge 5160, Owner'S Manual

Page: 72 / 128

72
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 — See "Reinstalling Drivers and Utilities" on page 74.
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 "Windows Help and Support Center" on page 11.
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.