mmi dead

I have a 2011 Audi Q5. A couple days ago upon starting my vehicle the screen/display did not turn on nor did the buttons light up. I have watched a couple tutorial videos to try to troubleshoot before spending a lot of money at the dealer. I have tried to restart the MMI system and checked...

My C6 A6 is 2009 LCI facelift model however I compared with my friends same facelift C6, my left side of the boot is completelly empty whereas his is not, strange so I am assuming mine might shared the pre-facelift chassis? I have uploaded a picture of the diagrams I found here, thanks for the...