why! N240JU Replacement motherboard

Start by unlocking the right locking latch.

Then, by simultaneously unlocking the left latch, lift the battery out of its socket.

Begin by spotting the dummy memory card.

Then, remove it and put it on your workplan.

Locate the 15 screws that hold the bottom cover of the device in place.

Unscrew them and place them on your work surface.

Then, un-clip the bottom cover, starting with the side shown in the third picture.

Locate the M.2 SSD in its slot.

Unscrew the fastening screw of the latter.

Lift and remove the SSD M.2 drive from its connector.

Locate the hard drive in its location.

Lift it slightly.

Finally remove it from its SATA connector.

To reassemble your device, follow the instructions in reverse order.

Lift it gently and take it out of its place.

Carefully unplug the MAIN and AUX antennas.

Unscrew the fixing screw with the Philips # 0 screwdriver. Then lift the chipset slightly and remove it from the connector.

Find and separate the spring blades that maintain the memory module in place (right).

Find and separate the spring blades that maintain the memory module in place (left).

Remove the memory module (RAM) from its connector.

Remove the power cable from the fan.

Unscrew the two screws securing the fan.

Finally remove the fan and place it on your worktop.

Unscrew the circled screws in green and red

Put the computer in the position of the second image while pushing a paper clip into the hole of the screw circled in green until you hear a click

Lift the keyboard

Disconnect the connector circled in red in the direction of the arrow

Locate the two flat cables and remove them carefully.

Locate the five connectors on the motherboard

Unplug all connectors

Unplug all connectors

Unscrew the four screws circled in red

Lift the motherboard by taking it through the radiator

Disconnect the two connectors circled in red