i need help with my toshiba c55t laptop?

ok so today i turned on my laptop like i do all the time and went on the internet for some to then i shut it off to go do something then i came back and it still was trying to shut down so i held down the power button then turned it back on but its said it was shutting off so i took the battery out and put it back in then turned it on so then i went to play a game and when it loaded it was like it reset btw it was asphalt 8 witch i had like 10 mill from cheat engine so then i closed it and went to facebook and it wanted me to sign in so i left that then went to google chrome it also wanted my to sign in so i was like wtf because they are set to sign me in and save my password then i went to gt racing 2 and it also reset and i went to some other games they also reset now im really pissed off the thing is last night i turned it off like normally so i do not know what happen and yes i do know my google and fb passwords i just want to know why it did that oh and everything else was normal my back round pics and my my task bar are fine so is the position my apps and things where in im about to punch the f*** out of it and take my bb gun to it because i have it only for pc games and internet i do not use it for much because i have a ps4 and a ps3 and a galaxy note 2 and a android tablet but i need to know if there is some way to fix it