Introduction
You are going to replace the motherboard simply by unscrewing a few screws and then removing the motherboard from the device.
Tools
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            Be cautious when taking the top of the device off there may still be some adhesive stuck to device. 
 
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            After removing the top of the device, locate the screws on the motherboard. Gently unscrew all four of the 3.5mm screws on the motherboard. 
 
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            Unplug the ribbon cable connected to the motherboard that stems from the disc drive. 
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            Disconnect the two power connectors from the motherboard. 
 
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            You will need to desolder the antenna. 
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            Be sure to desolder the piece connected to the motherboard not the wire. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.