Okay... First of all... sorry for my English (I'm spanish... bad in languages) The thing is the next one. Due to an issue (I deleted some of the system icon packs so my desktop environment does not starts) i've installed the cinnamon desktop to fix it all... (im still bad with the terminal...) So, i fixed everything and my elementary goes fine... but the screen behaviour when it goes dark is still the Cinnamon ones. I cant change my energy options and screen behaviour in the tweaks tool 'couse the elementary defaults are not set up. I tried to find in "dconf" the line to reset it to default but i couldn't find it. Any ideas or solutions? Thanks for reading !