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Removing and Replacing Parts: Dell Inspiron 4100
Removing the System Board
The system board's BIOS chip contains the service tag sequence, which is also visible on a barcode
label on the bottom of the computer. The replacement kit for the system board includes a CD that
provides a utility for transferring the service tag sequence to the replacement system board.
NOTICE: Disconnect the computer and any attached devices from electrical outlets, and
remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an
unpainted metal surface on the computer.
NOTICE: Read "Preparing to Work Inside the Computer" before performing the following
procedure.
1. Remove the hard drive.
2. Remove the keyboard.
3. Remove the display assembly.
4. Remove the palm rest.
5. Remove the microprocessor thermal cooling assembly.
6. Remove the microprocessor.
7. Remove the modem, memory modules, and Mini PCI card.
8. Turn the computer over, and remove the six M2.5 x 5-mm screws labeled "circle B" that secure
the system board to the bottom case.
9. Remove the three M2.5 x 5-mm screws labeled "circle B" that secure the fan guard to the
bottom case.
file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...20ok/Inspiron/4100/4100_SERVICE_MAN/remove.htm (47 of 52)6/21/2004 1:02:31 AM