I need help for my neetbook

[landi84]

Hello,
my netbook wont start is samsung nc110 the lights are on but screen is blank if u press F4 it says please wait and if you leave it for 24/7 it will stay i dont know what do do

 

[BootSectorVirus]

Where does it freeze during the boot process, at the bios post, or after when windows starts to load?