Chromebook 15 CB3-531-C4A5 Motherboard Replacement

Remove the 18 Phillips screws using a screwdriver with a PH0 bit.

Using a spudger, gently pry open the back from the top.

Once it is opened up, locate the battery and the cable that is attached to it.

Next, unscrew the battery pack. The one screw should be located on the far right of it. This will ensure that the battery comes out easily and affectively.

Take the battery out easily for replacement.

Remove the two antenna cables that attach the wireless card to the motherboard. One will be black and the other will be white.

Locate the screw that holds the wireless card in place and then remove it using a screwdriver with a PH0 bit.

Slide the Wireless card out gently with two fingers while being careful not to damage any surrounding parts.

Remove the four Phillips screws.

Remove tape that secures the ribbon cables.

Using the spudger, lift the latches to unlock each ribbon cable.

Remove the cables.

Remove the large black cable between the two ribbon cables.

Remove the remaining cable.

Remove the motherboard.