I had an issue with my Nvidia GPU which obviously was due to the failed solder joints which were overheating and leading to no display issue. I had mentioned that in my previous thread.
I( came across some interesting videos and articles which lead me to the conclusion that it is a common problem with Nvidia GPU . I also came across a suggestion whereby removing the motherboard and heating it in a standard oven at 895 degree farenheit appeared to have resoldered the GPU joints and the laptop came back to life !
Anybody with some suggestions ?