Introduzione
This guide will show you how to replace the daughterboard on your Samsung Chromebook 2 XE503c12. The daughterboard contains the righthand USB and auxillary/headphone ports, so should either of these stop to function, replacing the daughterboard should remedy the problem.
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Lay the Chromebook down in a way that the bottom cover faces upward.
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Remove all nine screws from the back cover using a Phillips #00 screw.
 
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Place the opening tool in the divot between the spine of the Chromebook and the back cover.
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Slowly glide and push down the end of the opening tool along all sides of the Chromebook to detach the brackets. You will hear the brackets detach.
 
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Remove the four 3 mm screws using a Phillips #000 screwdriver.
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Carefully lift the top of the battery then pull it away from you to remove it.
 
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You must first lift the locking bar of the ZIF connector before removing the ribbon cable.
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Gently, remove the orange tape by pulling it outward.
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Using an opening tool, gently pull the daughterboard upward.
 
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To reassemble your device, follow these instructions in reverse order.