Black screen after create a new resolution











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I buyed a new monitor ultrawide. Because 2560x1080 isn't in the defaults ubuntu size screen I tried to create it with xrand but when I apply the new created resolution the screen is became black and show the message "no signal".



My graphic card is an AMD radeon hd 6670.



My ubuntu version is 18.04.1










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    up vote
    -1
    down vote

    favorite












    I buyed a new monitor ultrawide. Because 2560x1080 isn't in the defaults ubuntu size screen I tried to create it with xrand but when I apply the new created resolution the screen is became black and show the message "no signal".



    My graphic card is an AMD radeon hd 6670.



    My ubuntu version is 18.04.1










    share|improve this question







    New contributor




    David Soto is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      -1
      down vote

      favorite









      up vote
      -1
      down vote

      favorite











      I buyed a new monitor ultrawide. Because 2560x1080 isn't in the defaults ubuntu size screen I tried to create it with xrand but when I apply the new created resolution the screen is became black and show the message "no signal".



      My graphic card is an AMD radeon hd 6670.



      My ubuntu version is 18.04.1










      share|improve this question







      New contributor




      David Soto is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I buyed a new monitor ultrawide. Because 2560x1080 isn't in the defaults ubuntu size screen I tried to create it with xrand but when I apply the new created resolution the screen is became black and show the message "no signal".



      My graphic card is an AMD radeon hd 6670.



      My ubuntu version is 18.04.1







      18.04 display-resolution amd-graphics monitor






      share|improve this question







      New contributor




      David Soto is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      David Soto is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






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      David Soto is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      asked Dec 5 at 1:43









      David Soto

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      David Soto is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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