[Trisquel-users] Re : Graphics driver support for Intel® G33 x86/MMX/SSE2 with Trisquel GNU/Linux's 64-bit version.

[lcerf]

Have you checked /var/log/Xorg.0.log? If it says that the generic "vesa"  
driver is used, then it is indeed non-optimal. Unless PowerVR made your  
graphical chipset (Intel used to outsource the development of some of their  
chipsets) and there is no better working driver for them (I believe):  
https://en.wikipedia.org/wiki/PowerVR#List_of_PowerVR_chipsets