Introduction
In cases where the device is not responding, this guide will help you replace the motherboard.
Tools
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            Place the tablet on a flat surface, facing upwards. 
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            Starting from the portholes, use the plastic opening tools to remove the back cover of the tablet from the top half. 
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            Being cautious of the wire connecting the speaker and the motherboard, place the front and back portion of the tablet close in proximity. 
 
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            Locate the five 3.5 mm black screws on the motherboard. 
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            Use the #00 Phillips screwdriver to remove the screws, place them in an appropriate location. 
 
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            Carefully peel off the tape covering the circuit boards and blue ribbons. The tape can be disposed or saved for reuse. 
 
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            After removing the tape, two blue ribbon wires can now be accessed. To disconnect, gently lift up the plastic ZIF tabs covering the wires. 
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            Upon lifting the tab, the ribbons can now be safely pulled out of their connections. 
 
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            Locate the two wires connecting the speaker to the motherboard. 
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            Use a soldering iron to desolder the red and black wires from their sockets. 
 
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To reassemble your device, follow these instructions in reverse order.