Network Problems - Dell Precision NT499 User Manual

• Verify that the mouse cable is connected as shown on the setup diagram for your
computer.
R E S T A R T T H E C O M P U T E R
1
Simultaneously press <Ctrl><Esc> to display the Start menu.
2
press the up- and down-arrow keys
Press <u>,
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 E S T T H E M O U S E
using the mouse.
H E C K T H E M O U S E S E T T I N G S
C
Windows XP:
1
Click Start→ Control Panel→ Mouse.
2
Adjust the settings as needed.
Windows Vista:
1 Start
Click
2
Adjust the settings as needed.
R E I N S T A L L T H E M O U S E D R I V E R
R U N T H E H A R D W A R E
page 107.

Network Problems

CAUTION:
safety instructions in the Product Information Guide.
H E C K T H E N E T W O R K L I G H T O N T H E F R O N T O F T H E C O M P U T E R
C
integrity light is off (see "Controls and Lights" on page 35), no network
communication is occurring. Replace the network cable.
C H E C K T H E N E T W O R K C A B L E C O N N E C T O R
inserted into the network connector on the back of the computer and the network
jack.
R E S T A R T T H E C O M P U T E R A N D A T T E M P T T O L O G O N T O T H E N E T W O R K A G A I N
C H E C K Y O U R N E T W O R K S E T T I N G S
person who set up your network to verify that your network settings are correct and
that the network is functioning.
122
Troubleshooting
—
— Connect a properly working mouse to the computer, then try
—
→ Control Panel→ Hardware and Sound→ Mouse.
— See "Drivers" on page 131.
T R O U B L E S H O O T E R
Before you begin any of the procedures in this section, follow the
— Contact your network administrator or the
to highlight Shut down or Turn
— See "Hardware Troubleshooter" on
— Ensure that the network cable is firmly
— If the link