This happened to me too, and in my case the repair shop decided it was 'user damage'... I then got the laptop back with the wrong screws used so now I have damage on the laptop's casing...
I have the same problem, phoned tech support up and now it won't even boot up keyboard lights up, h/d light flashes, fans going like mad and nothing on screen only bought it in November !!!!! how long did it take you to get it repaired please ?