Ubuntu installed in VirtualBox has blurred screen [duplicate]











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  • Graphics horribly corrupted on Ubuntu 16.04 in VirtualBox, showing random strips of pixelated colors

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I tried to install Ubuntu in VirtualBox on my laptop (Windows 10 Home). I selected the ISO file I downloaded: ubuntu-16.04.1-desktop-i386.iso, and started it up from VirtualBox. But after starting, the interface became blurred and showed macroblocking like this :



bright coloured pixelated screen



I wondered if my ISO file goes wrong, but after using winMd5Sum it shows that the MD5 is the right one. I cannot find relevant messages. Could anyone tell me how to fix the problem?










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marked as duplicate by karel, Zanna, Eric Carvalho, Charles Green, Fabby Dec 9 at 10:06


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    up vote
    2
    down vote

    favorite













    This question already has an answer here:




    • Graphics horribly corrupted on Ubuntu 16.04 in VirtualBox, showing random strips of pixelated colors

      3 answers




    I tried to install Ubuntu in VirtualBox on my laptop (Windows 10 Home). I selected the ISO file I downloaded: ubuntu-16.04.1-desktop-i386.iso, and started it up from VirtualBox. But after starting, the interface became blurred and showed macroblocking like this :



    bright coloured pixelated screen



    I wondered if my ISO file goes wrong, but after using winMd5Sum it shows that the MD5 is the right one. I cannot find relevant messages. Could anyone tell me how to fix the problem?










    share|improve this question















    marked as duplicate by karel, Zanna, Eric Carvalho, Charles Green, Fabby Dec 9 at 10:06


    This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

















      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite












      This question already has an answer here:




      • Graphics horribly corrupted on Ubuntu 16.04 in VirtualBox, showing random strips of pixelated colors

        3 answers




      I tried to install Ubuntu in VirtualBox on my laptop (Windows 10 Home). I selected the ISO file I downloaded: ubuntu-16.04.1-desktop-i386.iso, and started it up from VirtualBox. But after starting, the interface became blurred and showed macroblocking like this :



      bright coloured pixelated screen



      I wondered if my ISO file goes wrong, but after using winMd5Sum it shows that the MD5 is the right one. I cannot find relevant messages. Could anyone tell me how to fix the problem?










      share|improve this question
















      This question already has an answer here:




      • Graphics horribly corrupted on Ubuntu 16.04 in VirtualBox, showing random strips of pixelated colors

        3 answers




      I tried to install Ubuntu in VirtualBox on my laptop (Windows 10 Home). I selected the ISO file I downloaded: ubuntu-16.04.1-desktop-i386.iso, and started it up from VirtualBox. But after starting, the interface became blurred and showed macroblocking like this :



      bright coloured pixelated screen



      I wondered if my ISO file goes wrong, but after using winMd5Sum it shows that the MD5 is the right one. I cannot find relevant messages. Could anyone tell me how to fix the problem?





      This question already has an answer here:




      • Graphics horribly corrupted on Ubuntu 16.04 in VirtualBox, showing random strips of pixelated colors

        3 answers








      16.04 system-installation virtualbox






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      share|improve this question








      edited Dec 6 at 11:20









      Zanna

      49.4k13128236




      49.4k13128236










      asked Sep 27 '16 at 9:27









      JenkinsY

      114




      114




      marked as duplicate by karel, Zanna, Eric Carvalho, Charles Green, Fabby Dec 9 at 10:06


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.






      marked as duplicate by karel, Zanna, Eric Carvalho, Charles Green, Fabby Dec 9 at 10:06


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
























          2 Answers
          2






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          I had the same problem with Linux Mint 19 Tara in VirutalBox. I solved it with Input -> Keyboard -> Insert Ctrl-Alt-Backspace.






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            up vote
            0
            down vote



            accepted










            I have found a solution to this but actually still don't know why.



            The method is switch to console and then switch back to the GUI like the following:




            1. press right Ctrl+F1

            2. press right Ctrl+F7


            Then the macro-blocking disappears and I can install Ubuntu as usual.






            share|improve this answer






























              2 Answers
              2






              active

              oldest

              votes








              2 Answers
              2






              active

              oldest

              votes









              active

              oldest

              votes






              active

              oldest

              votes








              up vote
              0
              down vote













              I had the same problem with Linux Mint 19 Tara in VirutalBox. I solved it with Input -> Keyboard -> Insert Ctrl-Alt-Backspace.






              share|improve this answer

























                up vote
                0
                down vote













                I had the same problem with Linux Mint 19 Tara in VirutalBox. I solved it with Input -> Keyboard -> Insert Ctrl-Alt-Backspace.






                share|improve this answer























                  up vote
                  0
                  down vote










                  up vote
                  0
                  down vote









                  I had the same problem with Linux Mint 19 Tara in VirutalBox. I solved it with Input -> Keyboard -> Insert Ctrl-Alt-Backspace.






                  share|improve this answer












                  I had the same problem with Linux Mint 19 Tara in VirutalBox. I solved it with Input -> Keyboard -> Insert Ctrl-Alt-Backspace.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Dec 5 at 20:02









                  mvidovic

                  50119




                  50119
























                      up vote
                      0
                      down vote



                      accepted










                      I have found a solution to this but actually still don't know why.



                      The method is switch to console and then switch back to the GUI like the following:




                      1. press right Ctrl+F1

                      2. press right Ctrl+F7


                      Then the macro-blocking disappears and I can install Ubuntu as usual.






                      share|improve this answer



























                        up vote
                        0
                        down vote



                        accepted










                        I have found a solution to this but actually still don't know why.



                        The method is switch to console and then switch back to the GUI like the following:




                        1. press right Ctrl+F1

                        2. press right Ctrl+F7


                        Then the macro-blocking disappears and I can install Ubuntu as usual.






                        share|improve this answer

























                          up vote
                          0
                          down vote



                          accepted







                          up vote
                          0
                          down vote



                          accepted






                          I have found a solution to this but actually still don't know why.



                          The method is switch to console and then switch back to the GUI like the following:




                          1. press right Ctrl+F1

                          2. press right Ctrl+F7


                          Then the macro-blocking disappears and I can install Ubuntu as usual.






                          share|improve this answer














                          I have found a solution to this but actually still don't know why.



                          The method is switch to console and then switch back to the GUI like the following:




                          1. press right Ctrl+F1

                          2. press right Ctrl+F7


                          Then the macro-blocking disappears and I can install Ubuntu as usual.







                          share|improve this answer














                          share|improve this answer



                          share|improve this answer








                          edited Dec 14 at 19:09









                          mature

                          1,445422




                          1,445422










                          answered Oct 1 '16 at 16:50









                          JenkinsY

                          114




                          114















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