Dell Precision NT499, User Manual

Page: 121 / 290

Troubleshooting
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B ACK UP YOUR FILES IMMEDIATELY
U SE A VIRUS - SCANNING PROGRAM TO CHECK THE HARD DRIVE , FLOPPY DISKS ,
C D S , OR D V D S
S AVE AND CLOSE ANY OPEN FILES OR PROGRAMS AND SHUT DOWN YOUR
COMPUTER THROUGH THE S TART MENU
Memory Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide .
I F YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE —
• 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" on page 160).
• Reseat the memory modules (see "Memory" on page 157) to ensure that your
computer is successfully communicating with the memory.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 107).
I F YOU EXPERIENCE OTHER MEMORY PROBLEMS —
• Reseat the memory modules (see "Memory" on page 157) 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" on page 160).
• 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 "Memory" on
page 157.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 107).
Mouse Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide .
C
HECK THE MOUSE CABLE
—
• 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.