Hi, my sister dropped off a gateway MT3432 laptop and when i turned it on, nothing works, It starts up but nothing shows on the screen. I hear the system booting up and spinning off the hard drive but cant get to the BIOS screen or nothing. I tried plugging in an external monitor and still nothing. I don't know what the deal is. Plz Help. I replaced the ram and the harddrive and still doing the same thing.