Select menu Alt right mouse 279.b

Support Modeling
1

hello

i have blender 279b
linuxx mint
and a problem with select menu
becouse for to activate select menu is necessary the shortcut :
Alt right mouse

and when i writ alt Alt Right Mouse
open this menu

IMG_20190224_160351
IMG_20190224_1603512976×3968 1.96 MB

i try to see in user preferences the shortcut
but i dont see where is.
It should to stay in object or in wiew 3 d

a-a
a-a654×699 280 KB

2

Perhaps:

http://www.thomasso.com/2016/07/23/disabling-the-alt-right-click-in-linux-mint-18-cinnamon/

3

+1 for Pixelfox’s answer. It makes more sense to change it for the system itself, and also easier as it’s not the only shortcut that clashes with the system.