Dell Precision T7400 DCDO, Quick Reference Manual

Page: 44 / 320

44
Quick Reference Guide
B
A C K U P Y O U R F I L E S I M M E D I A T E L Y
U
S E A V I R U S
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S C A N N I N G P R O G R A M T O C H E C K T H E H A R D D R I V E
,
F L O P P Y D I S K S
,
C D
S
,
O R
D V D
S
S
A V E A N D C L O S E A N Y O P E N F I L E S O R P R O G R A M S A N D S H U T D O W N Y O U R
C O M P U T E R T H R O U G H T H E
S
T A R T M E N U
Memory Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
I
F Y O U R E C E I V E A N I N S U F F I C I E N T M E M O R Y M E S S A G E
—
• Save and close any open files and exit any open programs you are not using to see if
that resolves the problem.
• See the software documentation for minimum memory requirements. If necessary,
install additional memory (see "Installing a Memory Module" in your User’s Guide ).
• Reseat the memory modules (see "Removing the Front Panel" in your User’s Guide )
to ensure that your computer is successfully communicating with the memory.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).
I
F Y O U E X P E R I E N C E O T H E R M E M O R Y P R O B L E M S
—
• Reseat the memory modules (see "Removing the Front Panel" in your User’s Guide )
to ensure that your computer is successfully communicating with the memory.
• 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
Product Information Guide
.
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.