I already installed LXDE as a desktop environment for my archlinux laptop instead of Xfce.
I figured out that Lxde is perfect for my use but I have a problem using multiple monitors. Xfce, when I remove or attach the external monitor, recognize automatically the correct monitor to use.
How can I do to have a good administration of multiple monitor in Lxde?
Sorry for my english and for my newbie being

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Lenovo Ideapad 110-15ISK
ArchLinux X86_64
LXDE