Hi all , I'm having trouble with my pc when i use the front usb ports when transferring files , after it crashes which can be either random shut down or bsod they will work find I've heard about faulty ports cause the pc to fail this way just wondering if anyone has had this problem and what to do to fix it please , my rig is a cooler master cm 690 II advanced case, asrock Z77extreme 4 mobo , i3-3220 cpu , cooler master v850 gold psu , 8 gig patriot ram , ocz vertex 4 ssd , wd 500 gig hdd , msi gtx 750Ti gpu , any help would be great I've done a fresh install of windows 7 and all other operating software as I thought I may have missed something with the first install .