Hello, there was a problem in the USB port, and I understand it to knit with stress. See, when I try to connect your iPhone 4 USB, it is charged, the disabled breaks occur, thinking that the cable is not proved, the same fate befell my arm and SteelSeries Sensei also ceased to work properly is not enough supply, and so there I have a laptop so there phone and mouse work properly, I do not understand what the problem is, please please help with my question. P.S. Sorry for bad English
Below is my computer's components
CPU - i74770K
Motherboard - Asus VI Hero
RAM - 8GB
VGA - Asus Strix 960 2GB
SSD - Samsung 840 EVO
HDD - 500Gb
PC Power Supply - Aerocool Imperator 850W