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====== A3D Installation ======

=== Nvidia Purge ===

Remove any existing Nvidia drivers

<code>
/etc/init.d/lightdm stop
sudo apt-get purge nvidia-*
/etc/init.d/lightdm start
</code>

== Add graphics driver PPA. ==

<code>
sudo add-apt-repository ppa:graphics-drivers/ppa
</code>

== update sources ==

<code>
sudo apt update
</code>

== Launch Additional Drivers utility ==

<code>
(sudo) software-properties-gtk
</code>

- NVIDIA 367.44 (or closest to this).
- Click **Apply Changes** button to automatically download and install the driver on the system.
- Restart computer to make the new driver take effect and ensure it is working correctly.

==== Troubleshooting ====

<code>
/etc/init.d/lightdm stop
</code>

<code>
/etc/init.d/lightdm start
</code>

== openGL ==

<code>
supo apt-get install mesa-utils
glxinfo
glxgears
</code>

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