Since I can't seem to open the Additional Drivers program? And how do I know what driver I need to install?
5 Answers
For 14.04 and above
sudo ubuntu-drivers list
Will show all the driver packages which apply to your current system. You can then
sudo ubuntu-drivers install # on modern Ubuntu, or
sudo ubuntu-drivers autoinstall # on older versions.
to install all the packages you need, or you can do:
sudo ubuntu-drivers devices
to show you which devices need drivers, and their corresponding package names.

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For 12.04 and below
The additional drivers program has a command line interface, jockey-text
:
Use
jockey-text --list
to get a list of available drivers and their status, then use
# the init lines are required only for graphics drivers
sudo init 1
jockey-text --enable=DRIVER
sudo init 2
where DRIVER is the one you got from the list. For example:
jockey-text --enable=firmware:b43
To install the Broadcom B43 wireless driver.
For your graphics card, you will get a choice of the proprietary driver from the manufacturer and a free alternative. You have to either restart the display server (log out and back in) or restart the system entirely (recommended).

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For 12.04 and below
The internal name of the "additional drivers" program is jockey-gtk
. There's a console version with the same functionality called jockey-text
in the eponymous package. It should be installed by default.
You should be able to use
jockey-text -l
to list the available drivers and something like
jockey-text -e xorg:nvidia-185
to install one of the options listed. You should select the most appropriate driver listed.

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If you have a Nvidia graphics card:
You need to run
sudo apt-get install nvidia-current
sudo nvidia-xconfig
Then reboot:
sudo reboot
and you should have a working system.

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Is creating an xorg file still recommended? https://forums.developer.nvidia.com/t/nvidia-driver-installed-but-not-running/76455/9 – Max N Aug 26 '21 at 09:42
After install nvidia driver you can regenerate xorg config for your nvidia adapter:
sudo nvidia-xconfig
Also, you can download the driver from www.nvidia.com and install it manually:
sudo sh ./downloads/NVIDIA-Linux-x86-xxx.xx.xx.run

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sudo ubuntu-drivers list
outputsfglrx
andfglrx-updates
. How do you installfglrx-updates
? – landroni May 23 '14 at 23:01sudo ubuntu-drivers devices
to get the list of packages, and thensudo apt-get install
to install that specific package you want. – jmiserez Sep 04 '14 at 14:49sudo ubuntu-drivers autoinstall
is deprecated so you have tosudo apt install
the package corresponding to the driver you want, and then probably restart your computer – alainsanguinetti Apr 26 '21 at 08:45--help
suggests that you can just usesudo ubuntu-drivers install
(not specify which driver) and that has the same behaviour as the oldautoinstall
. – Oli Apr 26 '21 at 11:32