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USB connection from device to computer blows out device

My cousin in Europe has a problem. They plugged their Nikon digital camera into the USB port on their computer to download images. Their camera got blown out. Same thing happened with their cell phone. They asked me to bring them a memory card reader. I don't see how that would solve the problem since it's also a USB connection. Has anyone heard of this before? Any ideas on what might be causing this?
Thanks millions.

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Here's the voltages you see on USB pins.

In reply to: USB connection from device to computer blows out device

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5 volt USB

In reply to: Here's the voltages you see on USB pins.

I don't know what volt pin 1 is. I'm going to Europe on Wednesday...how can I find out what volt it is? I thought all USB connectors were the same...how would pin 1 end up with a higher voltage?

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How you measure it.

In reply to: 5 volt USB

You would use a VOLT METER. You claim it's blowing devices. This is how we find the issue...

Bob

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USB problem

In reply to: How you measure it.

If a USB connection is 5 volt standard, how would it become higher? Wrongly wired during installation?

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(NT) Yup.

In reply to: USB problem

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