I/o board, Removing the i/o board, Replacing the i/o board – Dell Inspiron 14 (N4020, Early 2010) User Manual
Page 24

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I/O Board
Dell™ Inspiron™ N4020/N4030 Service Manual
Removing the I/O Board
1.
Follow the instructions in
Before You Begin
.
2.
Follow the instructions from
step 2
to
step 13
in
Removing the System Board
.
3.
Remove the Mini-Card (see
Removing the Mini-Card
).
4.
Remove the screw that secures the I/O board to the computer base.
5.
Lift the I/O board out of the computer base.
Replacing the I/O Board
1.
Follow the instructions in
Before You Begin
.
2.
Align the connectors on the I/O board with the slots on the computer base.
3.
Replace the screw that secures the I/O board to the computer base.
4.
Replace the Mini-Card (see
Replacing the Mini-Card
).
5.
Follow the instructions from
step 6
to
step 18
in
Replacing the System Board
.
WARNING:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION:
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION:
To help prevent damage to the system board, remove the main battery (see
Removing the Battery
) before working inside the
computer.
1
I/O board
2
screw
CAUTION:
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.