how to installl ubuntu on windows vista
i urgently require ubuntu on my windows vista.
i have ubuntu 9.01 in my pen drive. i have set first bootable at usb but still it does not detect my pen drive and start again windows .
is it not possible to install ubuntu after windows vista?
so plz send me all steps to install ubuntu.
i have searched on internet but most all help is for windows xp professional.
thanks in advance