![enter image description here][1] [1]: /editor/20170629/5954320a4e3bd.png

Thanks Andyfierman, But it is precisely this menu that I can not reappear...I have no idea how to make it reappear

Because you hide your toolbar , show it, then you can see ![enter image description here][1] [1]: /editor/20170629/595451647bc4c.png

For more on hiding toolbars etc., please see: https://easyeda.com/Doc/Tutorial/introduction.htm#Resizing-the-canvas-area and refer to the image immediately above the heading. See also: https://easyeda.com/forum/topic/barre_de_taches_horizontale_perdue-7LgasmEWQ

Thanks for your quick response