How to fix Ps3 gpu processor booting problem, step by step

I need to explain something about ps3 I recently noticed which from the looks of things it's one of the bigger problem on ps3 for now, this is in ps3 slim(second generation), it seems like a problem with the GPU processor, which won't pick and the game won't be able to boot until you have live it on for more than 10,15 to 30minutes,and when you keep using it in such condition with time it won't be able to boot with time, this problem I've faced which did gave me a hard