Dell 1400 Laptop User Manual


 
18. Take out the system board and keep it aside.
19. Disconnect the modem cable from the system board.
20. With the rear of the computer facing you, gently lift the system board assembly from the left side, then slide the system board assembly to the left and
lift up on the right side to raise the assembly out of the computer.
Replacing the System Board
1. Follow the instructions in Before You Begin.
2. Follow the instructions in Removing the System Board.
3. For replacement of the system board, perform the steps in Removing the System Board in reverse order.
4. Turn on the computer.
5. Insert the floppy disk or CD that accompanied the replacement system board into the appropriate drive. Follow the instructions that appear on the
screen.
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1
IO panel connector
2
speaker connector
3
system board
NOTE: It may be necessary to press outward slightly on the plastic around the connectors on the left side of the computer to lift the system board
and remove it.
CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface, such as the back panel on the computer.
NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
result in damage to the computer.
NOTE: After replacing the system board, enter the computer's alpha-numeric Service Tag into the BIOS of the replacement system board.