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I have an HP with Inter and ATI and i want to have Ubuntu on my notebook. I have installed the version 12.04 and I didn´t found any driver for my graphic card :( what is the version that i need to install to have my PC wotking with full hardware? Thanks :D

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  • How did you come at this conclusion?
    – sourav c.
    Jan 24, 2014 at 16:43
  • I viewed "this PC" in settings and there was Intel graphic card. Now it says ATI Radeon :)
    – ihavenokia
    Mar 7, 2014 at 17:55

1 Answer 1

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Ubuntu 10.10 and newer.

All of your questions are in this quote (Source):

How to switch the GPU

The kernel shipped in Ubuntu 10.10 supports hybrid graphics by means of the vga_switcheroo flag. See vga_switcheroo below.

Enabling vga_switcheroo

vga_switcheroo is the kernel mechanism that allows you to switch between GPUs if your machine has a hardware mux. Note that this method is not supported by all machines and only works if you are using the opensource driver (nouveau, radeon) and not the proprietary ones (nvidia, fglrx).

To check whether your kernel is compiled with the proper option you can examine the file config-2.6.nn-mm-generic in the /boot directory:

grep -i switcheroo /boot/config-*

The vga_switcheroo mechanism will only be active when the kernel is booted with either the modeset=1 kernel option, and/or the nomodeset option being absent.

To test if vga_switcheroo is enabled, look for the switch file:

ls -l /sys/kernel/debug/vgaswitcheroo/switch
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  • I have a Chronos 7 working with opensource drivers in 13.10 (muxless). See askubuntu.com/a/393727/16395 and askubuntu.com/a/390050/16395
    – Rmano
    Jan 24, 2014 at 15:50
  • This driver installs automaticaly when i install Ubuntu? (I am very new to Linux)
    – ihavenokia
    Jan 24, 2014 at 15:58
  • @ihavenokia yes the one in my quote is the normal one that gets installed by default but Ubuntu also allows you to easily switch (it is 1 selection, enter a password and 1 ok button to do so).
    – Rinzwind
    Jan 24, 2014 at 16:04

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