60
Troubleshooting
Mouse Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product
Information Guide
.
C
HECK
THE
MOUSE
CABLE
—
• Ensure that 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 that the mouse cable is connected as shown on the setup diagram for your computer.
R
ESTART
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.
T
EST
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.
R
EINSTALL
THE
MOUSE
DRIVER
—
See "Drivers" on page 75.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Troubleshooting Software and Hardware Problems" on page 83.
Network Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product
Information Guide
.
C
HECK
THE
NETWORK
CABLE
CONNECTOR
—
Ensure that 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 "Controls
and Lights" on page 165), no network communication is occurring. Replace the network cable.
R
ESTART
THE
COMPUTER
AND
LOG
ON
TO
THE
NETWORK
AGAIN
C
HECK
YOUR
NETWORK
SETTINGS
—
Contact your network administrator or the person who set up your network
to verify that your network settings are correct and that the network is functioning.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Troubleshooting Software and Hardware Problems" on page 83.
Summary of Contents for XPS 720
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell XPS 720 Owner s Manual Model DCDO ...
Page 48: ...48 Setting Up and Using Your Computer ...
Page 50: ...50 Optimizing for Greater Performance ...
Page 52: ...52 Dell QuickSet ...
Page 84: ...84 Troubleshooting ...
Page 162: ...162 Removing and Installing Parts ...
Page 220: ...20 Index 220 Index ...