The USB swap violates the USB specification through the use of USB-A ports as inputs, and by doing this they’re placing prone to harm something linked to those ports. There is no such thing as a fixing this, not in any means that makes any monetary sense. The swap was constructed damaged by not enjoying by the quite simple guidelines set out within the USB spec.
Unplug every part from this swap and by no means connect one other gadget once more. This can be a hearth hazard. Connecting USB-A to USB-A is usually dangerous. There are some exceptions to this rule however none of them contain connecting a pc to a USB swap.
The issue is the swap and the cables that got here with it. They took a budget path than the proper one. Now you may have cables and gadgets that would probably trigger harm to your electronics if not used rigorously.
Once more, there are instances the place USB-A ports can be utilized safely for inputs however these are uncommon they usually by no means switch energy. Energy is to to circulate out of USB-A ports, by no means circulate in. USB-A jacks or plugs are to sink energy, by no means to provide it. If there’s two gadgets supplying energy by USB-A getting linked to one another then probability are excessive that everlasting harm wall occur to at least one or each gadgets.
The very best repair right here is to be rid of the out-of-spec USB swap and begin over. Making an attempt to get this damaged piece of equipment working as supposed goes to be extra bother than it’s value.
Edit so as to add: USB gadgets will both supply energy or they may sink energy, they by no means sync energy. USB will synch information, as in “synchronize” that information however not “sink” information, until the intent is to destroy it. To ship energy or power out is to be a supply, and to the the one receiving that power or energy is to be the the sink. If there may be doubt on the terminology than discuss with the USB specification or keep away from any written commentary on the matter.
