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Thread: HP DV6 6121tx: Disable GPU in Ubuntu

  1. #1
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    HP DV6 6121tx: Disable GPU in Ubuntu

    I want to run ubuntu(13.04) on a live usb on my laptop. Now the problem is that my 6770M is "broken"(it overheats a lot when switched on and shuts down the computer). So when i run ubuntu i see the ubuntu logo and then my laptop shuts down in few seconds.
    So is their any way that it does not power up the 6770M and just use the HD3000? Like some special mode without graphic driver perhaps?

    I tried googling a lot but only way to disabling gpu i found was to open terminal which i cant because my laptop shuts down way before that.
    EDIT: My laptop is HP DV6 6121tx and their is no option in bios for this. But there is option to chose between switchable graphic mode and fixed mode

  2. #2
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    Did you try choosing from the BIOS 'Fixed Mode' GPU and not switchable graphics.
    bhatta

    May the Source be with you !
    Ash nazg durbatulūk, ash nazg gimbatul, ash nazg thrakatulūk, agh
    'Buntu-ishi krimpatul !

  3. #3
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    yes i did but it doesn't affect it.It still uses the discrete graphic card

  4. #4
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    Do you mean 13.10? 13.04 reached End OF Life (EOL) in January. EOL means it is no longer supported with updates and the repositories have been moved. You would have trouble with adding anything to 13.04.
    David D.
    Ubuntu 14.10 64-bit on HP Envy 17

  5. #5
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    i already had a copy of 13.04 so i thought i would try that first

  6. #6
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    Suggest trying 13.10 it has a newer kernel. Not like that is going to fix the problem if it is Hardware problem.

    If your Graphics is broken, then you have to first find a way to either replace the 6770M.
    Does the HP website give you an option to download a newer version for BIOS of your MB, then you can download and see if that helps in turning off your troublesome 6770M.
    bhatta

    May the Source be with you !
    Ash nazg durbatulūk, ash nazg gimbatul, ash nazg thrakatulūk, agh
    'Buntu-ishi krimpatul !

  7. #7
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    "Fixed mode" forces the machine to use the ATI card. If you switch that off in the BIOS, you should end up using the Intel adapter. I had to enable fixed mode to use the ATI card in this dv6t.
    If you ask for help, please have the courtesy to check for responses and thank the people who helped you.

    Blog · Linode System Administration Guides · Android Apps for Ubuntu Users

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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    Quote Originally Posted by bhattabhishek View Post
    Suggest trying 13.10 it has a newer kernel. Not like that is going to fix the problem if it is Hardware problem.

    If your Graphics is broken, then you have to first find a way to either replace the 6770M.
    Does the HP website give you an option to download a newer version for BIOS of your MB, then you can download and see if that helps in turning off your troublesome 6770M.
    it is not a problem with ubuntu so 13.10 is not goin to fix it unless a option for safe mode in which gpu drivers are not loaded was added (or is it already present in 13.04?)
    is it possible to delete the gpu drivers or making ubuntu not load them? or make it ignore the gpu present?

    I checked the hp website there was not any bois update
    Quote Originally Posted by SeijiSensei View Post
    "Fixed mode" forces the machine to use the ATI card. If you switch that off in the BIOS, you should end up using the Intel adapter. I had to enable fixed mode to use the ATI card in this dv6t.
    fixed mode just alows you to switch you gpu manually under os with proper software.
    It was released because people were having performance issues with switchable graphic mode

  9. #9
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    Quote Originally Posted by nilesh6 View Post
    it is not a problem with ubuntu so 13.10 is not goin to fix it unless a option for safe mode in which gpu drivers are not loaded was added (or is it already present in 13.04?)
    is it possible to delete the gpu drivers or making ubuntu not load them? or make it ignore the gpu present?
    Well, there is the Recovery Mode and see if starting in the TTY gives you a session : https://wiki.ubuntu.com/RecoveryMode

    Also, see this : http://askubuntu.com/questions/10325...p-pavilion-dm4

    Also, read up the following links and see if something can come handy.
    https://help.ubuntu.com/community/HybridGraphics
    http://ubuntuforums.org/showthread.php?t=2076352

    It all depends on if you can start Recovery Mode with TTY. Then you can test these.
    bhatta

    May the Source be with you !
    Ash nazg durbatulūk, ash nazg gimbatul, ash nazg thrakatulūk, agh
    'Buntu-ishi krimpatul !

  10. #10
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    Re: HP DV6 6121tx: Disable GPU in Ubuntu

    Quote Originally Posted by bhattabhishek View Post
    Well, there is the Recovery Mode and see if starting in the TTY gives you a session : https://wiki.ubuntu.com/RecoveryMode

    Also, see this : http://askubuntu.com/questions/10325...p-pavilion-dm4

    Also, read up the following links and see if something can come handy.
    https://help.ubuntu.com/community/HybridGraphics
    http://ubuntuforums.org/showthread.php?t=2076352

    It all depends on if you can start Recovery Mode with TTY. Then you can test these.
    I tried pressing shift while using my live usb but it didn't work. Is there a Recovery mode in Live USB?

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