laptop boots up but theres nothing on screen

Hey guys,i have a Packard Bell EASYNOTE MZ35-V-075and i just just turned on my laptop this morning and nothing comes on the screen it sounds like its on with the drive spinning but i don’t know why there is nothing on the screen. i tried booting it from a windows 7 disk but still nothing
Answer #1
RMA it if you still have a warranty.
Answer #2
i think its ram
get ur ram checked
Answer #3
its not under warrenty anymore,
how do i check the ram?