Introduction
If your Invoke is not connecting to your computer in order to be serviced, there might be a problem with the service port and should be replaced. For this replacement you will need a metal spudger and a #10 Torx screwdriver.
Tools
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            Use a #10 Torx screwdriver to remove two 10 mm screws from board attached to ports. 
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            Pull board up lightly. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.