Introduction
If you have gone through the troubleshooting guide, and have determined that the reason your device is not able to power on is in fact a faulty power cord then you can replace it for a new undamaged one with the help of this simple, easy to follow guide.
Make sure the device is not plugged in before working on it.
Tools
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            Use the Phillips #00 Screwdriver to remove the single 9.6mm screw holding the top cover in place. 
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            Remove the cover by sliding it up and then out. 
 
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            Push in on the two metal tabs on the side of the disc drive. 
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            Push forward to slide the disc drive out of the casing. 
 
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            Pull clip to remove the WiFi card ribbon connected to the circuit board. 
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            Push the black plastic tab out and slide the WiFi card out from the cage. 
 
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            Use the Phillips #00 Screwdriver to remove the two 6.4 mm screws holding the cage in place. 
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            Lift the cage up to remove it. 
 
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            Remove the rubber spacer on the edge of the case holding the cord in place. 
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            Remove the power cord from the device. 
 
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To reassemble your device, follow these instructions in reverse order.