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    [HELP] Screen flickers constantly when moving mouse!

    Hey everyone, it's my first post on this forum site, so go easy on me (; haha

    Anywho...

    So, I've been fiddling with Ubuntu and Kubuntu lately, and the last time I installed Ubuntu 15.10 on my laptop, after about 10 minutes, the screen would flicker uncontrollably and it made the computer unusable until I restarted. After looking online, I found that mostly everyone that has an NVidia graphics card has this problem, so I went through terminal trying to download the latest driver and it still was doing the flickering. I eventually gave up and re-installed Windows. Now, I'm wanting to go back to Kubuntu 15.10, and when I was test driving it on my USB, it started to flicker just like Ubuntu did. I saw one guy mention that he downgraded his NVidia Graphics driver to a few previous version one and it worked fine for him, and then others said that they downloaded some tool called Compiz Config but apparently only some ocmputers can use it? And then I saw some people say to turn off "dithering" in the NVidia Control Panel, but I never had an Nvidia Control Panel even after I downloaded the drivers via terminal or the NVidia Website.

    So before I go forth with the install of Kubuntu, I wanted to see if you all have any suggestions?

    Thanks!

    #2
    Now why do people think we are gonna be hard on first time posters? Its not likely to happen

    Now without knowing the specific card you have (hint hint) well try to start simple. After installing go to your driver manager in System Settings and let that install the recommended driver for you. Don't muck about with manually installing this.

    Then go and grab the latest plasma/kde updates

    http://kubuntu.org/news/plasma-5-5-3...kubuntu-15-10/


    Can't say what may fix flickering
    But my older nvidia stuff does not do this

    We don't use compiz so that won't help

    Sent from my LG-H900 using Tapatalk

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      #3
      Originally posted by claydoh View Post
      Now why do people think we are gonna be hard on first time posters? Its not likely to happen

      Now without knowing the specific card you have (hint hint) well try to start simple. After installing go to your driver manager in System Settings and let that install the recommended driver for you. Don't muck about with manually installing this.

      Then go and grab the latest plasma/kde updates

      http://kubuntu.org/news/plasma-5-5-3...kubuntu-15-10/


      Can't say what may fix flickering
      But my older nvidia stuff does not do this

      We don't use compiz so that won't help

      Sent from my LG-H900 using Tapatalk

      Thank you for your reply!

      I have booted Kubuntu up from my USB and selected "Try", and I've included a screenshot of the drivers page. I'm unsure which one I should select, or should I go through the whole list and try each one once the screen starts to flicker?

      And I'm using an Nvidia GEForce 8200M G. I should have stated that in my original post.

      Comment


        #4
        Once you install kubuntu, you would then go and select 'recommended driver' as shown above. You can't install the driver in live mode. Well, you might but you'd lose it all when you reboot, so you'd not even get a chance to see a difference.

        Now, if you managed to create a 15.10 usb with a persistence file (which may be a broken option in *buntu at the moment) you might be able to install the driver and have it stick.

        Now after installing Kubuntu, and installing all updates and the recommended driver, you can go back and try the "legacy" driver if you are still having issues. You also will have the nvidia control panel when you install the drivers using the driver manager.

        Comment


          #5
          Originally posted by claydoh View Post
          Once you install kubuntu, you would then go and select 'recommended driver' as shown above. You can't install the driver in live mode. Well, you might but you'd lose it all when you reboot, so you'd not even get a chance to see a difference.

          Now, if you managed to create a 15.10 usb with a persistence file (which may be a broken option in *buntu at the moment) you might be able to install the driver and have it stick.

          Now after installing Kubuntu, and installing all updates and the recommended driver, you can go back and try the "legacy" driver if you are still having issues. You also will have the nvidia control panel when you install the drivers using the driver manager.
          Thanks for the response again!

          I was in live mode earlier and it started flickering again. I went through and did everything you said except actually installing it, because for some god awful reason Windows is only allowing me to shrink my hard drive by 4GB when I have over 57GB free because I'm wanting to dual boot. I know that it can run into problems because some windows files may be saved at the end of the partition, so that's why I'm hesitant on trying a 3rd party partition manager. I'm willing to fully wipe the HDD and try installing Kubuntu, I just don't want to go through the hassle of not being able to find a fix for the screen flicker.

          Comment


            #6
            Originally posted by cotylee1991 View Post
            Thanks for the response again!

            I went through and did everything you said except actually installing it, because for some god awful reason Windows is only allowing me to shrink my hard drive by 4GB when I have over 57GB free because I'm wanting to dual boot.
            you wont get a lot of space if you only have 57GB ,,,,,but you would think a bit more than 4 ,,,,,,,,,did you run defrag , chkdsk ,restart defrag ,chkdsk restart and see if you could then shrink a bit more?

            VINNY
            i7 4core HT 8MB L3 2.9GHz
            16GB RAM
            Nvidia GTX 860M 4GB RAM 1152 cuda cores

            Comment


              #7
              Originally posted by vinnywright View Post
              you wont get a lot of space if you only have 57GB ,,,,,but you would think a bit more than 4 ,,,,,,,,,did you run defrag , chkdsk ,restart defrag ,chkdsk restart and see if you could then shrink a bit more?

              VINNY
              Thanks for the reply.

              Yes I ran 3 defrags, each time it said 0% defragged. And then I also ran a disk check on the C:\ but it found no errors.

              My main concern is fixing the screen flickering in Linux, because if I can get that fixed, then I will wipe off Windows and do a full clean install of Kubuntu if I can find a fix for the flickering. It only seems to start flickering after about 10 minutes of the computer being on, which is weird.

              Comment


                #8
                I have found, that if I go the display settings and change the Shader to 3.1 or down, it goes away... It was fine for more than a week and came back just once. Changing the shader to 2.1 and then back to 3.1 fixed it again and yet it didn¡t come up again.

                From what I have noticed, this seems to happen if you open a specific Program or Application. In my case I think it was when I opened Muon at times.
                BUSKE IT
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                info@buske-it.com
                +58 (414)1001992

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