Dell Precision T7400 Guía De Referencia Rápida página 45

• Ensure that you are following the memory installation guidelines (see "Installing
a Memory Module" in your User's Guide).
• Ensure that the memory you are using is supported by your computer. For more
information about the type of memory supported by your computer, see "Removing
the Front Panel" in your User's Guide.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).
Mouse Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
C
H E C K T H E M O U S E C A B L E
• Ensure that the cable is not damaged or frayed and check cable connectors for bent or
broken pins. Straighten any bent pins.
• Remove any mouse extension cables, and connect the mouse directly to the computer.
• 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
Simultaneously press <Ctrl><Esc> to display the Start menu.
1
press the up- and down-arrow keys
Press <u>,
2
Off, and then press <Enter>.
After the computer turns off, reconnect the mouse cable as shown on the
3
setup diagram.
Turn on the computer.
4
T
E S T T H E M O U S E
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:
Click Start→ Control Panel→ Mouse.
1
Adjust the settings as needed.
2
Windows Vista:
Start
Click
1
Adjust the settings as needed.
2
R
E I N S T A L L T H E M O U S E D R I V E R
R H
U N T H E A R D W A R E
in your User's Guide.
Product Information Guide
—
—
— Connect a properly working mouse to the computer, and then
—
→ Control Panel→ Hardware and Sound→ Mouse.
— See "Drivers" in your User's Guide.
T
R O U B L E S H O O T E R
.
to highlight Shut down or Turn
— See "Restoring Your Operating System"
Quick Reference Guide
45