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Screen flickering while booting - after upgrade to 18.04 with latest software update


Serious screen flickering when WiFi is on (Dell XPS 15)Screen flickering in Ubuntu 12.04 LTSScreen flickering on Ubuntu 16.4 while inactivityScreen flickering on ultrawide monitor with AMD cardXPS 9370 Upgrade from 17.10 to 18.04 not recognizing intel HD cardubuntu 18.04 does not recognize intel graphics card after updateUbuntu 18.04-19.04 HDMI screen not detected






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;









-1


















can someone please help on this issue ?



I see that my graphics changed to llvmpipe (LLVM 8.0, 256 bits)



I'm using Intel/AMD Radeon



How to solve this screen flickering?










share|improve this question




















  • 1





    To be clear after login screen appears flickering is gone?

    – WinEunuuchs2Unix
    Oct 1 at 22:05

















-1


















can someone please help on this issue ?



I see that my graphics changed to llvmpipe (LLVM 8.0, 256 bits)



I'm using Intel/AMD Radeon



How to solve this screen flickering?










share|improve this question




















  • 1





    To be clear after login screen appears flickering is gone?

    – WinEunuuchs2Unix
    Oct 1 at 22:05













-1













-1









-1








can someone please help on this issue ?



I see that my graphics changed to llvmpipe (LLVM 8.0, 256 bits)



I'm using Intel/AMD Radeon



How to solve this screen flickering?










share|improve this question














can someone please help on this issue ?



I see that my graphics changed to llvmpipe (LLVM 8.0, 256 bits)



I'm using Intel/AMD Radeon



How to solve this screen flickering?







18.04 screen






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Oct 1 at 21:58









GoviGovi

1




1










  • 1





    To be clear after login screen appears flickering is gone?

    – WinEunuuchs2Unix
    Oct 1 at 22:05












  • 1





    To be clear after login screen appears flickering is gone?

    – WinEunuuchs2Unix
    Oct 1 at 22:05







1




1





To be clear after login screen appears flickering is gone?

– WinEunuuchs2Unix
Oct 1 at 22:05





To be clear after login screen appears flickering is gone?

– WinEunuuchs2Unix
Oct 1 at 22:05










1 Answer
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0



















It's not clear where the flickering is occurring but I'll post one place people have experienced flicker. The solution is with a grub parameter in /etc/default/grub. Change:



GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"


to:



GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.edp_vswing=2"


Save the file and run sudo update-grub



Source:



  • Serious screen flickering when WiFi is on (Dell XPS 15)





share|improve this answer


























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    1 Answer
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    0



















    It's not clear where the flickering is occurring but I'll post one place people have experienced flicker. The solution is with a grub parameter in /etc/default/grub. Change:



    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"


    to:



    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.edp_vswing=2"


    Save the file and run sudo update-grub



    Source:



    • Serious screen flickering when WiFi is on (Dell XPS 15)





    share|improve this answer





























      0



















      It's not clear where the flickering is occurring but I'll post one place people have experienced flicker. The solution is with a grub parameter in /etc/default/grub. Change:



      GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"


      to:



      GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.edp_vswing=2"


      Save the file and run sudo update-grub



      Source:



      • Serious screen flickering when WiFi is on (Dell XPS 15)





      share|improve this answer



























        0















        0











        0









        It's not clear where the flickering is occurring but I'll post one place people have experienced flicker. The solution is with a grub parameter in /etc/default/grub. Change:



        GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"


        to:



        GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.edp_vswing=2"


        Save the file and run sudo update-grub



        Source:



        • Serious screen flickering when WiFi is on (Dell XPS 15)





        share|improve this answer














        It's not clear where the flickering is occurring but I'll post one place people have experienced flicker. The solution is with a grub parameter in /etc/default/grub. Change:



        GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"


        to:



        GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.edp_vswing=2"


        Save the file and run sudo update-grub



        Source:



        • Serious screen flickering when WiFi is on (Dell XPS 15)






        share|improve this answer













        share|improve this answer




        share|improve this answer










        answered Oct 2 at 11:05









        WinEunuuchs2UnixWinEunuuchs2Unix

        67k18 gold badges125 silver badges247 bronze badges




        67k18 gold badges125 silver badges247 bronze badges































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