I have my 15 R3 as my main pc. I had a virus some time ago and had to boot from a pen drive with Windows. So I then installed SA (SupportAssist). Now my AWCC does not detect the peripherals and my Dell SA tells my I have a BIOS update. But can't install it and the only reason it says is failure? I would have liked a little better description but now I hope somebody could help me.