NOTICE: Before disconnecting a device from the computer or removing a
component from the system board, verify that the standby power light on the
system board has turned off. To locate this light, see "System Board
Components."
Write down your BIOS settings before you turn off your computer.
See the User's Guide that came with your computer for instructions to find your BIOS settings.
Turn off the computer and devices, disconnect them from their
electrical outlets, wait at least 10 to 20 seconds, lay the computer on its
side, and open the computer cover.
NOTE: The system board
and metal tray are
attached and are removed
as one piece.
Remove any components that restrict access to the system board.
Disconnect all cables from the system board.
Before you remove the existing system board, visually compare the
replacement system board to the existing system board to make sure
that you have the correct part.
Pull up on the tab and slide the system board toward the front of the
computer; lift it up and away.
Removing the System Board
Place the system board that you just removed next to the replacement
system board.
Transfer components from the existing system board to the
replacement system board.
Remove the memory modules and install them on the replacement
board.
CAUTION: The microprocessor package and heat sink assembly can get hot. To avoid burns, be sure that the package and assembly have had sufficient time to cool before you touch them.
Configure the settings of the replacement system board.
Set the jumpers on the replacement system board they are identical to
the one on the existing board.
NOTE: Some
components and
connectors on the
replacement system board
may be in different
locations than the
corresponding connectors
on the existing system
board.
Orient the replacement board by aligning the notches on the bottom
to the tabs on the computer floor.
Slide the board toward the back of the computer until it clicks into
place.
Replace any components and cables that you removed from the system
board.
Reconnect all cables to their connectors at the back of the computer,
close the computer cover, and reconnect the computer and devices to
their power sources and turn them on.
NOTE: After you close
the cover, the chassis
intrusion detector causes
the following message to
be displayed at the next
computer start-up:
Alert! Cover was
previously
removed. Reset the
chassis intrusion detector.
Set the jumpers on the new system board so that they are identical to
those on the original board.
Run system setup to ensure that your settings are correct and that all
system board components are correctly identified.
Run the Dell Diagnostics to verify that the computer is operating
properly.
For more information on system setup and the Dell Diagnostics, see your User's Guide.
