f10

Hey guys i am on my iphone so u got a problem with my vaio i never recieved a Windows 7 cd so i have to reinstall it via f10 but if i press this my laptop checks if theres something wich destroid my laptop so it checks after this it says please restart your pc/laptop so i do this and i get into...

Hello, Last night my computer just started to turn off and restart on its own several times and when it tries to boot up it brings up a blue screen with vertical lines through it and when I try to do an F10 or F11 on it, it will bring me to a screen that is black and is loaded with zero's...