Troubleshooting 71
COMPUTER THROUGH THE START MENU
SCAN THE COMPUTER FOR SPYWARE — If you are experiencing slow computer
performance, you frequently receive pop-up advertisements, or you are having
problems connecting to the Internet, your computer might be infected with
spyware. Use an anti-virus program that includes anti-spyware protection
(your program may require an upgrade) to scan the computer and remove
spyware. For more information, go to support.dell.com and search for the
keyword spyware.
RUN THE DELL DIAGNOSTICS — If all tests run successfully, the error condition
is related to a software problem (see "Dell Diagnostics" on page 54).
Video and Display Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the safety information that shipped with your computer.
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 then turn on the computer.
TEST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
CHECK THE AC ADAPTER — Check the AC adapter cable connections. If the
AC adapter has a light, ensure that the light is on.
CONNECT THE COMPUTER DIRECTLY TO AN ELECTRICAL OUTLET — Bypass power
protection devices, power strips, and extension cables to verify that the
computer turns on.
ADJUST THE POWER PROPERTIES — Search for the keyword sleep in Windows
Help and Support.
SWITCH 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
ADJUST THE BRIGHTNESS — Press <Fn> and the up- or down-arrow key.
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