Ubuntu 14.04 doesn't detect second monitorUbuntu 11.10 won't detect my second monitorSecond monitor (VGA) isn't detected ubuntu 12.04 ATI Radeon HD 5400Kubuntu 13.04 second monitor resolution broken after crashDual monitor flickering in Ubuntu 12.04 with ATIUbuntu doesn't detect second monitorNVidia graphics driver cannot detect second monitorSecond display problemUbuntu 16.04 doesn't detect my second monitorUbuntu 16.04 Dual Monitor Not Working

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Ubuntu 14.04 doesn't detect second monitor


Ubuntu 11.10 won't detect my second monitorSecond monitor (VGA) isn't detected ubuntu 12.04 ATI Radeon HD 5400Kubuntu 13.04 second monitor resolution broken after crashDual monitor flickering in Ubuntu 12.04 with ATIUbuntu doesn't detect second monitorNVidia graphics driver cannot detect second monitorSecond display problemUbuntu 16.04 doesn't detect my second monitorUbuntu 16.04 Dual Monitor Not Working






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I have a problem with Ubuntu 14.04. Suddenly, my second monitor isn't detected on Ubuntu. It worked fine before. When i try using Windows 7, it is detected. I'm using HP Pavilion G4 1212tx AMD ATI Radeon.



Why isn't it detected? Is there a problem with my VGA card?










share|improve this question






















  • 1





    are they plugged into one card or two seperate cards? have you installed additional drivers?

    – Tim
    May 30 '15 at 11:18

















4


















I have a problem with Ubuntu 14.04. Suddenly, my second monitor isn't detected on Ubuntu. It worked fine before. When i try using Windows 7, it is detected. I'm using HP Pavilion G4 1212tx AMD ATI Radeon.



Why isn't it detected? Is there a problem with my VGA card?










share|improve this question






















  • 1





    are they plugged into one card or two seperate cards? have you installed additional drivers?

    – Tim
    May 30 '15 at 11:18













4













4









4








I have a problem with Ubuntu 14.04. Suddenly, my second monitor isn't detected on Ubuntu. It worked fine before. When i try using Windows 7, it is detected. I'm using HP Pavilion G4 1212tx AMD ATI Radeon.



Why isn't it detected? Is there a problem with my VGA card?










share|improve this question
















I have a problem with Ubuntu 14.04. Suddenly, my second monitor isn't detected on Ubuntu. It worked fine before. When i try using Windows 7, it is detected. I'm using HP Pavilion G4 1212tx AMD ATI Radeon.



Why isn't it detected? Is there a problem with my VGA card?







14.04 64-bit vga multiple-monitors






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited May 30 '15 at 18:08









Racing

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asked May 30 '15 at 10:59









dionajiedionajie

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  • 1





    are they plugged into one card or two seperate cards? have you installed additional drivers?

    – Tim
    May 30 '15 at 11:18












  • 1





    are they plugged into one card or two seperate cards? have you installed additional drivers?

    – Tim
    May 30 '15 at 11:18







1




1





are they plugged into one card or two seperate cards? have you installed additional drivers?

– Tim
May 30 '15 at 11:18





are they plugged into one card or two seperate cards? have you installed additional drivers?

– Tim
May 30 '15 at 11:18










2 Answers
2






active

oldest

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0



















Open Additional Driver , then try to use X.org X server. Or if you already use that you can switch to a new driver corresponding to installed VGA card. Most of the times X server works but I don't guarantee about other drivers to respond properly.
Then, in Displays check that both displays are ON.






share|improve this answer

































    0



















    i think you need to install drivers for AMD ATI Radeon. Search AMD ATI Radeon and install the driver from their website. Your computer came with preinstalled Windows and Graphics card driver. But when you install ubuntu, it doesn't know you have a graphics card so you need to install the driver.



    I had to do the same thing with mine but with nvidia graphics card driver. Once you do that, it'll detect your second monitor.






    share|improve this answer



























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      2 Answers
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      2 Answers
      2






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      0



















      Open Additional Driver , then try to use X.org X server. Or if you already use that you can switch to a new driver corresponding to installed VGA card. Most of the times X server works but I don't guarantee about other drivers to respond properly.
      Then, in Displays check that both displays are ON.






      share|improve this answer






























        0



















        Open Additional Driver , then try to use X.org X server. Or if you already use that you can switch to a new driver corresponding to installed VGA card. Most of the times X server works but I don't guarantee about other drivers to respond properly.
        Then, in Displays check that both displays are ON.






        share|improve this answer




























          0















          0











          0









          Open Additional Driver , then try to use X.org X server. Or if you already use that you can switch to a new driver corresponding to installed VGA card. Most of the times X server works but I don't guarantee about other drivers to respond properly.
          Then, in Displays check that both displays are ON.






          share|improve this answer














          Open Additional Driver , then try to use X.org X server. Or if you already use that you can switch to a new driver corresponding to installed VGA card. Most of the times X server works but I don't guarantee about other drivers to respond properly.
          Then, in Displays check that both displays are ON.







          share|improve this answer













          share|improve this answer




          share|improve this answer










          answered May 30 '15 at 19:01









          Puya AmiriPuya Amiri

          677 bronze badges




          677 bronze badges


























              0



















              i think you need to install drivers for AMD ATI Radeon. Search AMD ATI Radeon and install the driver from their website. Your computer came with preinstalled Windows and Graphics card driver. But when you install ubuntu, it doesn't know you have a graphics card so you need to install the driver.



              I had to do the same thing with mine but with nvidia graphics card driver. Once you do that, it'll detect your second monitor.






              share|improve this answer






























                0



















                i think you need to install drivers for AMD ATI Radeon. Search AMD ATI Radeon and install the driver from their website. Your computer came with preinstalled Windows and Graphics card driver. But when you install ubuntu, it doesn't know you have a graphics card so you need to install the driver.



                I had to do the same thing with mine but with nvidia graphics card driver. Once you do that, it'll detect your second monitor.






                share|improve this answer




























                  0















                  0











                  0









                  i think you need to install drivers for AMD ATI Radeon. Search AMD ATI Radeon and install the driver from their website. Your computer came with preinstalled Windows and Graphics card driver. But when you install ubuntu, it doesn't know you have a graphics card so you need to install the driver.



                  I had to do the same thing with mine but with nvidia graphics card driver. Once you do that, it'll detect your second monitor.






                  share|improve this answer














                  i think you need to install drivers for AMD ATI Radeon. Search AMD ATI Radeon and install the driver from their website. Your computer came with preinstalled Windows and Graphics card driver. But when you install ubuntu, it doesn't know you have a graphics card so you need to install the driver.



                  I had to do the same thing with mine but with nvidia graphics card driver. Once you do that, it'll detect your second monitor.







                  share|improve this answer













                  share|improve this answer




                  share|improve this answer










                  answered May 30 '15 at 21:51









                  JayCJayC

                  631 gold badge2 silver badges10 bronze badges




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