Removing The System Board; Prerequisites; Procedure - Dell Inspiron 20 3000 Series Service Manual

Removing the system board

WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before working inside your
computer, follow the instructions in
computer. For more safety best practices, see the Regulatory
Compliance home page at www.dell.com/regulatory_compliance.
NOTE: Your computer's Service Tag is stored in the system board. You
must enter the Service Tag in the BIOS setup program after you replace
the system board.
NOTE: Replacing the system board removes any changes you have
made to the BIOS using the BIOS setup program. You must make the
desired changes again after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the
location of the connectors so that you can reconnect the cables
correctly after you replace the system board.

Prerequisites

1 Remove the stand.
2 Follow the procedure from step 1 to step 2 in
drive".
3 Remove the
4 Remove the
5 Remove the
6 Remove the
7 Remove the

Procedure

1 Disconnect the fan cable, hard-drive and optical-drive power cable,
optical-drive data cable, hard-drive data cable, microphone and camera
cable, speaker cable, display-panel power cable, and touch-board cable
from the system board.
computer. After working inside your
back cover.
system-board shield.
heat sink.
memory module.
wireless card.
After working inside your
"Removing the optical
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