why! N240BU Motherboard Replacement

Start by unlocking the right locking latch.

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

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

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.

Unscrew the screw circled in red

Pull out the M.2 SSD in the direction of the red arrows

Remove the screw circled in red

Lift up the hard drive

Remove the hard drive in the direction of the red arrows

Remove the screw circled in red

Disconnect the two connectors marked in green

Remove the WLAN card

Press down on the two brackets boxed in red

Remove the RAM stick in the direction of the red arrows

Press with a screwdriver in the red circled area to spread the base of the battery

Remove the battery by holding the screwdriver down

Remove the two screw circled in red

Disconnect the connector boxed in green in the direction of the green arrow

Remove the fan by lifting it up

Lift the retaining flap off of the connector boxed in red.

Disconnect the connector boxed in red.

Lift the flap that holds the connector (framed in green)

Disconnect the connector (framed in green)

Disconnect the connector marked in red by lifting it up

Disconnect the connector marked in green by pulling it in the direction of green arrows

Disconnect the connector marked in red by pulling it in the direction of the red arrows

Lift the black retaining flap that holds the connector marked in green

Disconnect the connector marked in green

Disconnect the connector marked in red by pulling it in the direction of the red arrows

Unscrew the five screws circled in green

Lift the motherboard by taking it by the radiator as in the second picture

Lift the retaining flap that holds the connector marked in red

Disconnect the connector marked in red

Lift the retaining flap that holds the connector framed in green

Disconnect the connector boxed in green

Remove the motherboard from the case.