Problem:

iPhone not recognized by the computer (PC or Mac)

 

Associated symptoms:

 

iPhone not connecting to iTunes

Stuck in DFU mode, recovery mode or Apple Logo

iPhone not connecting computer

 

Solution:

Replace with a new fuse of compatible same electronic specification and dimension.

 

This fuse is the most likely one to burn out. Before order and soldering new fuse please test over the original fuse try using a multimeter (Ohm meter) to see if there is continuity.

 

Details:

 

Deferential diagnosis

 

The green resistor fuse burnt out, short or damaged.

Power surge and electronic damage during repairs, while not grounded

Physical trauma damage of the fuse

Water corrosion damage of the green fuse.