Install video driver

Before you install a video driver, you need to have a knowledge of which driver you need.

To know which video chipset your machine has, run

$ lspci | grep VGA

lspci program is available under /usr/sbin/lspci.

For a complete list of all open-source video drivers, search the package database:

$ pacman -Ss xf86-video | less

I installed xf86-video-intel-sna as I used intel motherboard with integrated graphics controller.

If you are using NVIDIA, ATI or any other graphics cards, look for information here