“I plugged in the 4-portUSB Hub. Into the hub I plugged in my DVD player. The light on the hub is blue, but I get a message on my computer to connect it to a port on my Mac, which I did. Why do I get this message when everything is plugged in?”
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Make sure you have the correct plug on each end of the cable to match the device.
Sorry, there was a problem. Please try again later.I/O compatibility issue. I suspect the port on your DVD Player may be designed to be used for only troubleshooting that device and designed for data transfer.
Sorry, there was a problem. Please try again later.All USB plugs have a rating of typically 0.5 milliamps. There is one or two typically on a computer that is blue inside of it indicating that it is a higher amperage. You need a 2 milliamp or 4 amp, and that's why it's so hot. It's being suffocated on the amount of juice that the outlet is allowed, not the four-way, but what is plugged into it. Here's a picture of mine. It is not blue, but it is clearly labeled 5 and 10 amps. These are the ones you want to be plugged into.
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