Replacing the system board, Entering the service tag in the bios – Dell Inspiron 14 (N4020, Early 2010) User Manual
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13.
Lift the system board assembly to disconnect the connector on the system board from the connector on the I/O board.
14.
Turn the system board assembly over.
15.
Remove the coin-cell battery (see
Removing the Coin-Cell Battery
).
16.
Remove the thermal cooling assembly (see
Removing the Thermal Cooling Assembly
).
17.
Remove the processor module (see
Removing the Processor Module
).
Replacing the System Board
1.
Follow the instructions in
Before You Begin
.
2.
Replace the processor module (see
Replacing the Processor Module
).
3.
Replace the thermal cooling assembly (see
Replacing the Thermal Cooling Assembly
).
4.
Replace the coin-cell battery (see
Replacing the Coin-Cell Battery
).
5.
Turn the system board assembly over.
6.
Align the connectors on the system board with the slots on the computer base.
7.
Gently press the system board to connect the connector on the system board to the connector on the I/O board.
8.
Replace the three screws that secure the system board assembly to the computer base.
9.
Connect the display cable and the speakers cable to the connectors on the system board.
10.
Replace the Bluetooth card (see
Replacing the Bluetooth Card
).
11.
Replace the palm rest (see
Replacing the Palm Rest
).
12.
Replace the keyboard (see
Replacing the Keyboard
).
13.
Replace the memory module(s) (see
Replacing the Memory Module(s)
).
14.
Replace the module cover (see
Replacing the Module Cover
).
15.
Follow the instructions from
step 3
to
step 4
in
Replacing the Optical Drive
.
16.
Follow the instructions from
step 4
to
step 5
in
Replacing the Hard Drive
.
17.
Replace the battery (see
Replacing the Battery
).
18.
Replace any card or blank removed from the 5-in-1 media card reader.
19.
Turn on the computer.
20.
Enter the service tag (see
Entering the Service Tag in the BIOS
Entering the Service Tag in the BIOS
1.
Ensure that the AC adapter is plugged in and that the main battery is installed properly.
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.
NOTE:
After you have replaced the system board, enter the computer Service Tag in the BIOS of the replacement system board.