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Troubleshooting 149
CHECK THE MOUSE CABLE —
• Ensure the cable is not damaged or frayed and check cable connectors for bent or
broken pins. Straighten any bent pins.
• Remove any mouse extension cables, and connect the mouse directly to the computer.
• Verify the mouse cable is connected as shown on the setup diagram for your computer.
RESTART THE COMPUTER —
1
Simultaneously press <Ctrl><Esc> to display the
Start
menu.
2
Press <
U>
,
press the up- and down-arrow keys
to highlight
Shut down
or
Turn
Off
, and then press <Enter>.
3
After the computer turns off, reconnect the mouse cable as shown on the setup
diagram.
4
Turn on the computer.
TEST THE MOUSE — Connect a properly working mouse to the computer, then try
using the mouse.
C
HECK THE MOUSE SETTINGS —
Windows XP
1
Click
Start
Control Panel
Mouse
.
2
Adjust the settings as needed.
Windows Vista:
1
Click
Start
Control Panel
Hardware and Sound
Mouse
.
2
Adjust the settings as needed.
REINSTALL THE MOUSE DRIVER — See the Dell Technology Guide on your computer
or at support.dell.com.
R
UN THE HARDWARE TROUBLESHOOTER — See "Hardware Troubleshooter" on
page 135.
Network Problems
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
C
HECK THE NETWORK CABLE CONNECTOR — Ensure the network cable is firmly
inserted into the network connector on the back of the computer and the network
jack.
C
HECK THE NETWORK LIGHTS ON THE BACK OF THE COMPUTER — If the link
integrity light is off (see "About Your Computer" in the Setup and Quick Reference