Blinking cursor on format

[Jathn]

Hello all

I just formated my PC into Windows XP with an .iso (I was on 7). The CD is fine, I install windows like perfect. When I restart, bios goes fine but windows don't boot. I don't know what to do

 

[moeid97]

u cant go reverse. u cant use windows xp if u used win 7 on uer computer.