[Trisquel-users] Re : Dual Monitors

[lcerf]

AMD is the worst for graphics.  On the contrary Intel is the best.  If you  
have an Intel processor with integrated graphics, you can physically remove  
the AMD video card: not only you would get dual monitor support but also  
better performances and a smaller energy consumption.  With an AMD processor,  
older nVidia cards is what is best supported.

On the software side, you can always try a newer kernel (drivers are in the  
kernel) and see if the support has improved.  Trisquel's repository has Linux  
4.13.  https://jxself.org/linux-libre/ has even newer versions.