i have a similar problem but diferent since my performance varies sudendly, i can be playing at 60 fps in world of tanks then sudendly it drops to 10 or 5, then again 60 for some seconds then again drops and so on, i just notice this is when using only the battery i dont know if someone has the same issues, also i notice when out of the game(but the game still fntioniong, the screens like flashes, the slow down, normal again, flashes and slow down again and it only get to normal when connected to a power suply, it only happens when using battery only, i hope someone can help me, and also maybe someone else has the same problem, in my g75v takes ages to wake up from hybernation donno wtf is going on, and sometimes it doesnt ven wake up from hibernation at all, maybe this is a solved and knoe problem but since im already here better ask