Worked for over a year until I upgraded to Win10. Either this is due to the 10th, or the time has come for him. In general, it simply either freezes, or does not see the network, or simply disappears from the system. At what it stopped working with my native long cable at first, I replaced it with a short one. Then he stopped working with the rear USB, those on the mother and began to work only in front. In general, some miracles. I don't recommend taking it. Many suffer with it, turn off the USB power control in the power supply, turn off the power control on the controllers themselves through the device manager. In general, I have V3, I think the same trouble is in V4. Realtek chip.
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