1. EMitchell's Avatar
    I've known that the USB port on the SP3 is under-powered, but hadn't thought about it until just now. I just plugged my Lumia 950 into the USB port to transfer some files to my phone, and received an alert that the USB port had received a power surge, surpassing the power capability of the port, causing the port to stop working. I can imaging that something mechanical like a optical drive might surpass the power capabilities, but a smartphone? Even with USB-C, it should negotiate the capabilities of the port and the phone, and come to an agreement of what can be supported.
    01-22-2016 11:35 AM
  2. ashram's Avatar
    Are you using the cable that was supplied with the 950, or another 3rd party cable?

    I do not have an SP3, but a SP2 and no issues using the cable supplied with my 950 on it.
    01-22-2016 12:06 PM
  3. BGrewer's Avatar
    I was thinking the same thing, I've had no issues when connecting my Lumia 625 to my Pro 3 (via USB)
    01-22-2016 03:36 PM
  4. gernerttl's Avatar
    I had no problems connecting my LG external DVD+-RW drive either.
    01-22-2016 05:56 PM

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