Not starting my toshiba

[sas722]

my toshiba m200...not starting up.when ever i switch on my note book..its start with toshiba logo and then make some sound for time n then show the screen written with -edit boot otions
edit windows boot option for:microsoft windows vista
path:\windows\system32\winload.exe
partion:2
hard disk:b51fe16a
[/noexecute=optin


enter=submit esc=cancel
then screen further not moving
i dont understand problem...