Network problems – Dell Dimension E521 User Manual
Page 42

42
Solving Problems
Network Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
R
ESTART
THE
COMPUTER
—
1
Simultaneously press
2
Type
u
, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press
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.
E
NSURE
THAT
THE
U S B
PORTS
ARE
ENABLED
IN
THE
SYSTEM
SETUP
PROGRAM
—
T
EST
THE
MOUSE
—
Connect a properly working mouse to the computer, and try using the mouse.
C
HECK
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.
R
EINSTALL
THE
MOUSE
DRIVER
—
See "Reinstalling Drivers" on page 54.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Resolving Software and Hardware Incompatibilities"
C
HECK
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.
C
HECK
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 109.
R
ESTART
THE
COMPUTER
AND
LOG
ON
TO
THE
NETWORK
AGAIN
book.book Page 42 Monday, July 23, 2007 3:47 PM