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Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

Low resolution/no options in Ubuntu

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ubuntu 20.04
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  • S
    Shadycommaslim
    last edited by 26 May 2020, 00:34

    I have a pi4 that has been running flawlessly but wanted to play steam and ps2 games so I just got an i5 4th gen Lenovo m93p. Everything was working great over vga and then I installed 1650 low profile graphics card. The Nvidia drivers screwed up Ubuntu totally but I got that figured out. Steam and pcsx2 are running great but now Emulationstation only has one output resolution and it is very low. If i try to change the resolution (after pressing a button while loading a rom) it just reloads the screen I was just on... I know there is a config file somewhere I should probably edit but I can’t locate it in the system.

    Anyone know where that file is or just what I should do?!

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    • M
      mitu Global Moderator
      last edited by 26 May 2020, 02:44

      Did you disable the integrated GPU after installing the Nvidia card ?

      S 1 Reply Last reply 26 May 2020, 03:10 Reply Quote 0
      • S
        Shadycommaslim @mitu
        last edited by 26 May 2020, 03:10

        @mitu nope! How do I do that?

        M 1 Reply Last reply 26 May 2020, 03:10 Reply Quote 0
        • M
          mitu Global Moderator @Shadycommaslim
          last edited by 26 May 2020, 03:10

          @Shadycommaslim It's usually done from the BIOS, if possible.

          S 2 Replies Last reply 26 May 2020, 03:13 Reply Quote 0
          • S
            Shadycommaslim @mitu
            last edited by 26 May 2020, 03:13

            @mitu awesome! I’ll give it a try

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              Shadycommaslim @mitu
              last edited by 26 May 2020, 11:51

              @mitu alrighty I selected pcie graphics instead auto in the bios but it didn’t fix anything unfortunately

              M 1 Reply Last reply 26 May 2020, 12:19 Reply Quote 0
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                mitu Global Moderator @Shadycommaslim
                last edited by 26 May 2020, 12:19

                @Shadycommaslim What resolutions show as being supported on your GPU ? What is your current desktop resolution ?

                S 1 Reply Last reply 26 May 2020, 12:47 Reply Quote 0
                • S
                  Shadycommaslim @mitu
                  last edited by 26 May 2020, 12:47

                  @mitu in Ubuntu setting it has 6 options ranging from 800x600 to 1920x1080. I’m set on the 1920x1080

                  M 1 Reply Last reply 26 May 2020, 16:23 Reply Quote 0
                  • M
                    mitu Global Moderator @Shadycommaslim
                    last edited by 26 May 2020, 16:23

                    Then EmulationStation must be running at 1920x1080 - isn't that ok ? Do you think it runs in another resolution ?

                    S 1 Reply Last reply 26 May 2020, 16:30 Reply Quote 0
                    • S
                      Shadycommaslim @mitu
                      last edited by 26 May 2020, 16:30

                      @mitu ah yes sorry perhaps I see how I was unclear in my problem description. EmulationStation is in 1080 but I guess retroarch is stuck super low. When you load any game you press a button to change which emulator/settings and when you try and change resolution here it reloads the current screen instead of going to the next one where I used to be able to change resolution

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                      • M
                        mitu Global Moderator
                        last edited by 26 May 2020, 16:35

                        I see, so the listing of available video modes in the Runcommand launch menu doesn't work. This is something that's been recently added, so it didn't get a lot of usage.
                        Can you run the following command and then post the output on pastebin.com ?

                        xrandr --verbose
                        
                        S 2 Replies Last reply 26 May 2020, 16:55 Reply Quote 0
                        • S
                          Shadycommaslim @mitu
                          last edited by 26 May 2020, 16:55

                          @mitu no problem!

                          https://pastebin.com/Aek2RHBM

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                          • S
                            Shadycommaslim @mitu
                            last edited by Shadycommaslim 26 May 2020, 18:39

                            @mitu worth noting it worked fine before installing video card... now if I ever end up in the login screen it still cause Ubuntu to freeze or get stuck in a loop. I removed “splash” from the grub to fix this problem initially. When I’m at the screen we’re talking about it’s a purple background instead of my desktop background which seems weird.

                            Also... just noticed when the runcommand screen reloads it says this in the corner:

                            sed: -e Expression #1, char 51: unterminated ‘s’ command

                            (That’s for the +rom version. For default video mode it’s the same except char 29)

                            M 1 Reply Last reply 26 May 2020, 18:50 Reply Quote 0
                            • M
                              mitu Global Moderator @Shadycommaslim
                              last edited by 26 May 2020, 18:50

                              @Shadycommaslim said in Low resolution/no options in Ubuntu:

                              When I’m at the screen we’re talking about it’s a purple background instead of my desktop background which seems weird.

                              It's not weird, it's the default gnome-terminal background in Ubuntu. Since runcommand runs in the terminal, you see this probably for the error in runcommand.

                              Also... just noticed when the runcommand screen reloads it says this in the corner:
                              sed: -e Expression #1, char 51: unterminated ‘s’ command

                              S 1 Reply Last reply 26 May 2020, 18:53 Reply Quote 0
                              • S
                                Shadycommaslim @mitu
                                last edited by Shadycommaslim 26 May 2020, 18:53

                                @mitu gotcha. Thanks for your help and patience. Rasp pi and this are my only Linux experiences so far!

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                                • M
                                  mitu Global Moderator
                                  last edited by 26 May 2020, 18:58

                                  Which Ubuntu version are you using ?

                                  S 1 Reply Last reply 26 May 2020, 19:02 Reply Quote 0
                                  • S
                                    Shadycommaslim @mitu
                                    last edited by 26 May 2020, 19:02

                                    @mitu 20.04 lts

                                    1 Reply Last reply Reply Quote 0
                                    • M
                                      mitu Global Moderator
                                      last edited by 27 May 2020, 15:38

                                      I think I may have found the culprit, but I'll tag @psyke83 since the new X11 runcommand video mode selection is his expertise.
                                      I think the matching for the xrandr XID mode is not taking into account it's a hexcode, for the xrandr output in this topic, no video mode is detected. Seems to work with this change.

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                                      • S
                                        Shadycommaslim
                                        last edited by 27 May 2020, 18:12

                                        Hmm I made those changes and still getting the same problem, unfortunately.

                                        M 1 Reply Last reply 27 May 2020, 18:13 Reply Quote 0
                                        • M
                                          mitu Global Moderator @Shadycommaslim
                                          last edited by 27 May 2020, 18:13

                                          @Shadycommaslim said in Low resolution/no options in Ubuntu:

                                          Hmm I made those changes and still getting the same problem, unfortunately.

                                          Where exactly did you add the changes ?

                                          S 1 Reply Last reply 27 May 2020, 18:15 Reply Quote 0
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