I've had my 17 inch early 2011 MBP since new and in that time have upgrades the ram to 8GB, installed and SSD and a HDD in the optimal and most recently installed the wireless card from the later model to enable hand off. Over the past year or so I have been having random crash issues where it would suddenly turn off. Not necessarily associated with periods of high workload. Each time though I could just turn it back on and all was fine. Today however, whilst working in Adobe Lightroom after just in porting some photos from an SD in the express card reader ( the fans had been going for it to cool things down and I had a load of safari windows open as well as windows running in parallels) it crashed to off and now won't turn back on. What it does do: I can press the power button and the front light comes on. I can hear the hard drive start to spin. The fans come on (normal speed not fast) The MBP was running on battery at the time (about 50% ish I think), but I have subsequently been able to charge in back up (MagSafe connector went from green to orange then back to green when full. The battery indicator on the side works However no signs of keyboard or screen life at all! Cannot get the keyboard backlight or caps light etc. Things I've tried Disconnection the battery twice to reset the SMC. Resetting the PRAM Powering on whilst the optibay HDD was disconnected Starting up in safe mode (holding shift) Starting up the hard wear test (holding D). Removing the ram and then testing them in different slots one at a time. What I am noticing though is that the board is getting quite hot between the fans even though it hasn't even turned on and it's only had the front light on for a short period of time. When the front light comes on it start of bright but then fades quite a bit. Charge lights and MagSafe lights are all strong though. Is there anything else worth testing or is it Apple store time (unfortunately my 3 year Apple care was up a good 9 or so months ago now). I've heard logic board mentioned a number of times. Does anyone know if this can still be done for my model of MBP and how much it costs in the UK? Thanks in advance. ---------- Oh and there's no water or shock damage.