Introduction
My power button had become unresponsive and seeing as the device is no longer covered by warranty I decided to replace it myself, if you're in the same situation I hope that this guide will help you out!
Tools
Parts
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If your power button is malfunctioning this is what you need to replace it!
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A replacement power flex cable
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A small philips heads screwdriver
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A platsic opening tool
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A tweezer (Not necessary but can come in handy)
 
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Remove the back cover, battery and sim-card, I'm sure you've done this a couple of times before.
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Remove the 6 (or 7, if your phone uses CDMA) screws that are holding the housing in place.
 
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Slide your opening tool along the edge of the housing to get it off.
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Once you get it off on one side, you can use your hands to gently get it off of the other.
 
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Use a scalpel to get the glued on volume- and power button flex cables off, steady hands, you don't wanna cut the cable itself.
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Also use the scalpel to get the vibrator out.
 
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The motherboard can now be removed, just make sure that it doesn't catch on to any of the cables whilst removing it!
 
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Use your opening tool to open the latch that holds the power button flex cable in place.
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Make sure you open the black part of the latch, I tried prying at the brown part thinking that would open it, it didn't. No harm done though.
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Use your tweezers to take the old flex cable out and out the new one in, this can probably be done by hand but it takes a bit of precision.
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Don't forget to put that latch back down! (and sorry about the blurry picture)
 
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Now that the flex cable has been replaced you can put the motherboard back into the device!
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Just make sure that this cable that you detached earlier doesn't get caught under the motherboard.
 
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Use your fingers to put the connectors, the cable and the vibrator back to the motherboard and housing.
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You should hear a snap when attaching the connectors.
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The coaxial cable can sometimes be a bit tricky to reattach, don't use much force, just keep trying.
 
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Use your fingers to put the flex cables back. There should be some glue left on there; if there isn't, then use a tiny bit of glue from a glue stick.
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Make sure they look aligned.
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Don't worry too much if the cables threaten to pop off the side; once the phone is reassembled, the case will hold the cables in place.
 
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Put the housing back on, you should hear a couple of snaps.
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Put the screws back in, as well as your battery and sim-card.
 
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Press the just replaced power button and cross your fingers that everything will act normal.
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Feel the rush off success flow through your body as you see that Nexus-logo gently pulsating on your amoled display!
 
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You're all done, hope it worked out for you! :)
5 comments
Thanks! Very helpful guide.
Much obliged. Thanks!
Thanks much. Bought the replacement button input on eBay and followed your guide, no hitches, I have a power button again!