Dell Precision T7400 User Manual
Page 45

Quick Reference Guide
45
R
E S T A R T
T H E
C O M P U T E R
—
1
Simultaneously press
2
Press ,
press the up- and down-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 setup diagram.
4
Turn on the computer.
T
E S T
T H E
M O U S E
—
Connect a properly working mouse to the computer, and then
try using the mouse.
C
H E C K
T H E
M O U S E
S E T T I N G S
—
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
E I N S T A L L
T H E
M O U S E
D R I V E R
—
See "Drivers" in your User’s Guide.
R
U N
T H E
H
A R D W A R E
T
R O U B L E S H O O T E R
—
See "Restoring Your Operating System"
in your User’s Guide.
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
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
—
If the link
integrity light is off (see "Controls and Lights" in your User’s Guide), 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
—
Ensure that the network cable is
firmly 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
—
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
U N
T H E
H
A R D W A R E
T
R O U B L E S H O O T E R
—
See "Restoring Your Operating System"
in your User’s Guide.