sudo nano /boot/cmdline.txt
and changeconsole=tty1
toconsole=tty2
sudo nano /etc/rc.local
and add/home/pi/autostart.sh &
cd
touch autostart.sh
chmod a+x autostart.sh
nano autostart.sh
raspivid -t 0 &
setterm -cursor off > /dev/tty1
while sleep 2; do
dd if=/dev/zero of=/dev/fb0 2> /dev/null
done