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Thread: How can I disable my discrete graphics card?

  1. #11
    Join Date
    Nov 2006
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    25
    Distro
    Kubuntu 9.10 Karmic Koala

    Re: How can I disable my discrete graphics card?

    Quote Originally Posted by avilella View Post
    If it is an ATI graphics card, you should be able to switch it off with this method:

    http://ubuntuforums.org/showpost.php...6&postcount=11

    If it is an nvidia graphics car, the switch off procedure changes from one vendor to another. Here is a page that describes it for the Sony Vaio Z series:

    http://www.basyskom.org/~eva/log_ins...io_z21vnx.html

    Can I ask you to report the hybrid graphics info for the UL80vt here:
    Thank you! I've been trying to figure out how to get a dsdt file for days!

  2. #12
    Join Date
    Nov 2009
    Location
    Sicily, Italy, Europe
    Beans
    3

    Lightbulb Re: How can I disable my discrete graphics card?

    Quote Originally Posted by phrizek View Post
    You can't disable it in the BIOS
    Wow, this means (99.9%) I will choose the "vanilla" UL30A with Intel X4500MHD, thank you for the response .
    BTW the fact there is no option in BIOS sucks.

  3. #13
    Join Date
    Mar 2009
    Beans
    1

    Re: How can I disable my discrete graphics card?

    My friend installed ubuntu 9.10 on his ASUS UL80 and there are problems with wifi. It keeps disconnecting every ~3 minutes. And battery life is realy poor in comparison to windows, it stays up for about 3 - 4 hours. So it sucks pretty much.

  4. #14
    Join Date
    Nov 2004
    Beans
    185
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: How can I disable my discrete graphics card?

    Any ideas what the battery life issue could be? Is there an option to switch off the nvidia card and only use the integrated intel chipset?

    Quote Originally Posted by szelek View Post
    My friend installed ubuntu 9.10 on his ASUS UL80 and there are problems with wifi. It keeps disconnecting every ~3 minutes. And battery life is realy poor in comparison to windows, it stays up for about 3 - 4 hours. So it sucks pretty much.

  5. #15
    Join Date
    May 2005
    Beans
    193

    Re: How can I disable my discrete graphics card?

    Would be possible (would someone be able) to write a script that makes the switch ?

    1 - change xorg.conf videocard to use
    2 - notify (ubuntu-notification) user that "next login will make use of XXX videocard"
    2 - at next xorg startup, power off the discrete videocard if the integrated is used

    For the point 2 : would be possible to power off the card using the same mechanism issued by the suspend system ?


    If this is possible... well, we could get reasonably good features, and a mere re-logon is quite acceptable...

    (I'm thinking to buy an UL30VT...)

  6. #16
    Join Date
    Dec 2009
    Beans
    3

    Re: How can I disable my discrete graphics card?

    You may be able to go into device manager (right click my computer and click properties then hit the hardware tab then click device manager) and under the "display" section, right click and select "disable" for the onboard video.

  7. #17
    Join Date
    Nov 2004
    Beans
    185
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: How can I disable my discrete graphics card?

    For those considering an Asus UL80Vt or UL30Vt, even if the BIOS doesn't specify an option to switch on/off the discrete graphics card, there is still an alternative in Linux, which is to use grub2-efi. It's been done for other linux hybrid graphics laptops (e.g. apple macbooks, sony vaio z-series, etc.) and it's in active development.

    http://grub.enbug.org/TestingOnEFI
    http://ubuntuforums.org/showthread.php?t=995704

    There are several Linux users investigating with these kind of laptops, so it is reasonable to expect this feature to appear soon for Asus UL30/UL80 laptops.

    Quote Originally Posted by Chareos View Post
    Would be possible (would someone be able) to write a script that makes the switch ?

    1 - change xorg.conf videocard to use
    2 - notify (ubuntu-notification) user that "next login will make use of XXX videocard"
    2 - at next xorg startup, power off the discrete videocard if the integrated is used

    For the point 2 : would be possible to power off the card using the same mechanism issued by the suspend system ?


    If this is possible... well, we could get reasonably good features, and a mere re-logon is quite acceptable...

    (I'm thinking to buy an UL30VT...)

  8. #18
    Join Date
    Nov 2005
    Location
    とふ
    Beans
    15

    Smile Re: How can I disable my discrete graphics card?

    Has anyone opened it up and seen if you can physically disable the nvidia card (ie remove a daughter board)?

    Thinking of buying ul30vt or ul80vt, are there any other issues? does multi touch work? can you overclock it in Linux?
    Last edited by fungi; December 5th, 2009 at 03:00 PM. Reason: add overclock question

  9. #19
    Join Date
    Nov 2005
    Location
    とふ
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    15

    Re: How can I disable my discrete graphics card?

    OK i've ordered the ul30vt.
    See now that it comes with splashtop (express gate linux). Could somebody test the battery life under express gate and see what kind of battery performance that delivers?
    If splashtop is disabling the nvidia graphics chip it may hold clues as to how we can disable it in ubuntu.

  10. #20
    Join Date
    Jun 2008
    Beans
    6

    Re: How can I disable my discrete graphics card?

    Damn! I´ve also ordered a VT but i´m getting more and more uncertain the more i read about the graphics problems!
    I really think the Nvidia card is a better choice, but i´d love the possibilituy to choose between that one and the Intelcard when i´m not doing any graphic intensive tasks....
    I´m a photographer so i think i´d get more from the lappy with the Nvidia card..
    What should i do!? =(

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