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138 Installing Upgrades
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NOTE: Problems may
arise if two expansion
cards are trying to use the
same resources: memory,
I/O addresses, and IRQs.
To avoid this type of
conflict, see “Interrupt
Assignment Conflicts”
and the documentation
that came with the card
for more information.
6
Check all cable connections, and fold cables out of the way to provide
airflow for the fan and cooling vents.
7 If the CD/DVD drive bay was previously empty, remove the front panel
insert.
8 Close the computer cover, reconnect your computer and devices to
their electrical outlets, and turn them on.
9 Update your configuration information by setting the appropriate
Drive option (0 or 1) under Drives: Secondary to Auto. See Primary
Drive n and Secondary Drive n for more information.
10 Verify that your computer works correctly by running the Dell
Diagnostics.
Battery
A 3.0-V CR2032 lithium coin-cell battery installed on the system board
maintains system configuration, date, and time information in a special
section of memory.
The operating life of the battery can extend up to ten years. The battery
may need replacing if an incorrect time or date is displayed during the boot
routine along with a message such as:
Time-of-day not set - please run SETUP program
or
Invalid configuration information -
please run SETUP program
or
Strike the F1 key to continue,
F2 to run the setup utility
To determine whether you need to replace the battery, reenter the time and
date through system setup and exit the program properly to save the
information. Turn off your computer and disconnect it from the electrical
outlet for 1 minute; then reconnect the computer, turn it on, and enter
system setup. If the date and time are not correct in system setup, replace
your battery.