STEP 18

Unplug two cables pointed with white arrows.
Unlock one connector pointed with the yellow arrow and disconnect the cable.
Remove one screw securing the motherboard.

STEP 19

Start removing the motherboard from the right side as it shown on the picture.

STEP 20

Lift up and remove the motherboard.

STEP 21

The motherboard has been removed.

STEP 22

Remove two screws securing the wireless card.
Remove the wireless card if you didn't do it before.

NOTE: The RTC (CMOS) battery is permanently soldered to the motherboard.

STEP 23

Unplug and remove the DC-IN power jack harness.
Disconnect the cooling fan from the motherboard.
Remove two screws securing the heatsink.

STEP 24

Remove the cooling module assembly.

STEP 25

Unlock the CPU socket by turning the screw-lock into "Open" position.
Remove CPU.