Performance with 2+ monitors is low

[wolfman]

Hi @Leon,

it would help if you tell us what GPU you are using and if you installed any drivers for it?.

See also:

How to install graphics card drivers in Ubuntu

ATTENTION ATI/AMD GRAPHICS CARD OWNERS, IF YOU INTEND TO USE UBUNTU (MATE) 16.04, PLEASE READ THE FOLLOWING FIRST!. EDIT: POSSIBLE SOLUTION FOR SOME WHO HAVE AN AMD CARD ON THE LIST HERE: http://support.amd.com/en-us/kb-articles/Pages/AMD-Radeon-GPU-PRO-Linux-Beta-Driver–Release-Notes.aspx See also: https://support.amd.com/en-us/download/linux First and foremost, Intel drivers are auto installed and there is no reason to start to try installing any drivers for Intel graphics cards as the …