P775DM3 Replacement motherboard

Unlock the lock marked in red.

Lift up the battery while unlocking the lock

Unscrew the two screws circled in red

Slide the plate in the direction of the arrow

Lift the plate

Unscrew the screw circled in red

Lift the disc with the green tab

Remove the disc in the direction of the arrow

Unscrew the screw circled in red

Pull the SSD in the direction of the red arrow

Unscrew the five screws.

Slide the plate in the direction of the red arrow

Lift up the back panel

Unscrew the two screws circled in red

Press a paper clip in the three places marked in red

Lift the keyboard and feel free to put some strength

Disconnect the three framed connectors in red

Pull the white drawer in the direction of the arrow to unlock the connector

Disconnect the red circled connector

Pull the black drawer in the direction of the arrow to unlock the connector

Disconnect the red circled connector

Lift the flap that holds the connector circled in red

Disconnect the red circled connector

Remove the keyboard

Spread the two framed arms in red

Remove the RAM card

Disconnect the connector circled in red.

Remove the battery.

Unscrew the screw circled in red

Disconnect the two connectors circled in green

Remove the WLAN card

Unscrew the four large screws circled in green

Unscrew the five small screws circled in red

Lift the cooler with the two tabs circled in blue

Pull the lever circled in red in the direction of the red arrow while pressing on it

Attention: Do not touch the bottom of the processor and take the side

Unscrew the two screws circled in red

Lift the card to allow access to the red circled connector

Disconnect the red circled connector

Pull it in the direction of the red arrow

Unscrew the three screws circled in red

Disconnect the framed connector in red

Remove the fan

Unscrew the three screws circled in red

Disconnect the framed connector in red

Lift the fan

Lift the flap that holds the two connectors framed in red

Disconnect the two framed connectors in red

Lift the flap that holds the two connectors framed in red

Disconnect the two framed connectors in red

Disconnect the box connector in green

Unscrew the twenty screws circled in red

Unclip the edge of the case at the two places framed in green

Unclip the edge of the case at the two places framed in green

Remove the top of the case

Unscrew the five screws circled in red

Remove the framed card in blue

Remove the framed card in orange

Disconnect the two framed connectors in green

Disconnect the red circled connector

Unscrew the screw circled in red

Remove the motherboard