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I did some more testing today. It's really picky on what USB port it wants to use.. I've tried two different cables - one which came with my Logitech mouse and another which came with my smartphone.
On an older laptop of mine(i7-720QM, Windows 10), none of the USB ports(all USB 2.0) would recognize and install the device. I got the extremely common "Device is invalid and windows does not recognize it" issue.
Pulled out a slightly newer laptop that I have(i5-2250M, Windows 7). This laptop has 2 USB 2.0 and 1 USB 3.0 port. Both USB 2.0 give me the invalid device issue, while the 3.0 unfortunately failed to find and install a Windows driver. Installing CEntrance's driver and opening up the control panel shows that no compatible units are connected.
On my desktop(i5-3570k, Windows 10), none of the USB 2.0 ports work. USB 3.0 on both the back of the computer and the front will work, though. No issues with Windows finding its own driver and then installing CEntrance's drivers afterward. However, as stated before, my computer will hang and freeze up after about an hour of use and will sometimes BSOD with the DPC_Watchdog_Violation error.
I do have one more Windows 7 laptop to test on, so stay tuned.
//edit: Tried all 3 USB ports on the Windows 7 laptop. No luck. Driver software doesn't recognize device. I did get one of the 3 USB 2.0 ports to not complain about the invalid device though, but after installing CEntrance's driver software the DACport went from being an audio device to an unknown USB device.
USB drive strength issues? CEntrance, did these pass USB eye-diagram test?