46 Solving Problems
Network Problems
  CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product 
Information Guide.
RESTART THE COMPUTER —
1
Simultaneously press <Ctrl><Esc> to display the 
Start
 menu.
2
Ty p e  
u
, press the keyboard 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 on the setup diagram for your 
computer.
4
Start the computer.
ENSURE THAT THE USB PORTS ARE ENABLED IN THE SYSTEM SETUP PROGRAM — See "System 
Setup" on page 115)
TEST THE MOUSE — Connect a properly working mouse to the computer, and try using the mouse.
CHECK THE MOUSE SETTINGS —
1
Click the 
Start
 button, click 
Control Panel
, and then click 
Printers and Other Hardware
.
2
Click 
Mouse
.
3
Try adjusting the settings.
REINSTALL THE MOUSE DRIVER — See "Reinstalling Drivers" on page 58.
RUN THE HARDWARE TROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities" 
on page 59.
CHECK THE NETWORK CABLE CONNECTOR — Ensure that the network cable is firmly inserted into 
both the network connector on the back of the computer and the network port or device.
CHECK THE NETWORK LIGHTS ON THE BACK OF THE COMPUTER — If the link integrity light is off, 
that indicates no network communication exists. Replace the network cable. For a description of 
network lights, see "Controls and Lights" on page 113.
RESTART THE COMPUTER AND LOG ON TO THE NETWORK AGAIN