Samsung Chromebook 4 Plus XE350XBA-K05US Device Motherboard Replacement

Hold down the power button until the device powers off

Close the device and flip it over

Remove the four rubber sockets near the corners of the device

Then remove the four 4.6 mm Phillips #00 screws

Use the metal spudger to pop the back off. Near the hinges is typically an easier place to start.

Continue along the edges until the back is completely detached.

Locate the long grey box with the black band, which is labeled "Laptop Battery."

Remove the gray piece labeled "bracket battery BA61 - 03983A" located over the golden band connecting the battery and motherboard by unscrewing the two 4 mm Phillips #00 screws

Unplug the golden band coming from the battery to the motherboard.

Using the Philips #000 remove the four 4mm screws holding the battery in place.

Unplug the black and red wire and the black and white wire.

Unclip and remove the black and gold ribbons and the black wire from the motherboard.

Remove the three 4.53 mm Philips #00 screws from the grey metal piece labeled "BRKT-PORT-SUB JOAN-15 BA61-03942A".

Remove the 4.50 mm Philips #00 screw from the right side of the motherboard.

Remove the two 4.56 mm Philips #00 screws from the copper heat sink.

Remove the four 4.63 mm Philips #00 screws

Carefully turn the motherboard and heat sink over being careful not to touch any of the components.

Remove the four 4.63 mm Philips #00 screws from the back of the motherboard and remove the heat sink.