Model does not show its lines first the lines were temporary visible with draft analyses but with the second try it did not work. I have tried restarting solidworks but the lines remain invisible with other parts there is no problem, display state does not work too with this part.
Welcome to the forum. Can you post the Part here (see https://forum.solidworks.com/community/faqs/blog/2017/12/24/how-can-i-attach-a-file-to-a-forum-post)?