I have downloaded and installed Intel's drivers from this link, following all instructions: https://01.org/linuxgraphics/downloads/2013/intelr-linux-graphics-installer-version-1.0.2
However, I would like to return to stock Ubuntu's driver configuration. How would I go about doing this? I've found this link, but it's only for Ubuntu 12.10: http://theclonker.de/?p=89
According to Synaptic, Intel's repository added the following packages locally (may contain typos; forgive me):
i915-3.9-3.8-dkms
intel-linux-graphics-installer
libdrm-dev
libdrm-intel1
libdrm-intel1:i386
libdrm-nouveau2
libdrm-nouveau2:i386
libdrm-radeon1
libdrm-radeon1:i386
libdrm2
libdrm2:i386
libkms1
libva-drm1
libva-egl1
libva-glx1
libva-tpi1
libva-wayland1
libva-X11-1
libva1
x11proto-input-dev
xserver-xorg-video-intel
I'm not sure whether the above list is complete and/or exhaustive as to the changes the Intel installer made.
Also important to note, Intel's instructions to delete their repository in Software Sources just flat-out doesn't work. It removes the repository, but keeps the packages installed locally.