I was given this Samsung tab 7.7 as it would not turn on. It also would not charge, so after a quick check that the charger was working I began to suspect the battery was the problem. I remember reading about charging problems with Samsung phones if you drained the battery to low. If this happened the trick was to connect a power source directly to the battery to force it to charge. In this video I will show you how to remove the back case and change the battery. I now have a fully working tab 7.7

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More by andrew mcneil:Double Crosshair Waveguide Antenna for 2 4GHz The Circular Polarized Crosshair Antenna 2,4GHz Combining a Cheap Antenna and Nano Router 
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