raspberry pi 2 jessie installed. it's connected tv using hdmi. raspberry pi desktop shown on tv , resolution fine. have (logitech) wireless mouse , keyboard connected. problem: after 10 minutes, tv screen turns black. when move mouse, desktop shown again. after 10 minutes screen becomes black again. tried: 1) - sudo nano /etc/xdg/lxsession/lxde/autostart add @xset -dpms @xset s off @xset s noblank 2) - /etc/kbd/config change blank_time= blank_time=0 , powerdown_time= powerdown_time=0 far, both options have have worked. other ideas? babrakjan wrote: raspberry pi 2 jessie installed. it's connected tv using hdmi. raspberry pi desktop shown on tv , resolution fine. have (logitech) wireless mouse , keyboard connected. problem: after 10 minutes, tv screen turns black. when move mouse, desktop shown again. after 10 minutes screen becomes black again. tried: 1) - sudo nano /etc/xdg/lxsession/lxde/autostart add @xset -dpms @xset s off @xset s noblank 2)...