Dell E521 Owner's Manual - Page 42

Network Problems, See Resolving Software and Hardware Incompatibilities - driver

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RESTART THE COMPUTER - 1 Simultaneously press to display the Start menu. 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 N S U R E T H A T T H E U S B P O R T S A R E E N A B L E D I N T H E S YS T E M S E T U P P R O G R A M - See "System Setup" on page 111) TE S T T H E M O U S E - 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. R E I N S T A L L T H E M O U S E D R I V E R - See "Reinstalling Drivers" on page 54. R U N T H E H A R D W A R E TR O U B L E S H O O T E R - See "Resolving Software and Hardware Incompatibilities" on page 55. Network Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. 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 - 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 H E C K T H E N E T W O R K L I G H T S O N T H E B A C K O F T H E C O M P U T E R - 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. RESTART THE COMPUTER AND LOG ON TO THE NETWORK AGAIN 42 Solving Problems

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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 <Ctrl><Esc> to display the
Start
menu.
2
Type
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.
E
NSURE
THAT
THE
USB
PORTS
ARE
ENABLED
IN
THE
SYSTEM
SETUP
PROGRAM
—
See "System
Setup" on page 111)
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"
on page 55.
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