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    #1

    Live Kubuntu 22.04.2 USB fails to launch on my new desktop.

    I have a MSI Z690 Tomahawk WiFi DDR4 motherboard with a 12th Gen CPU, AMD Radeon RX 6750 XT GPU and a Acer Nitro QG1 series monitor.
    And the Kubuntu 22.04 live USB fails to load properly the first USB thunbdrive didn't give any error message but the second one did and one of the error messages was live CD environment failed to load. Then I tried putting the latest version Kubuntu 22.04 on the thumbdrive that gave me an error message to see if that would work . But no luck.
    Anyone have any clue whats going on here? Because I checked this site and said that the motherboard that I have works with Kubuntu/Ubuntu 22.04.
    The computer store I bought this build from said something about GPT.


    https://superuser.com/questions/1705...king-in-ubuntu
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    #2
    Ignore GPT (for now at least), it is irrelevant to this.

    Based on the error, have you tried:
    1. Different USB sticks? (bad sections on the USB?)
    2. Fresh ISO downloads, and verified them? (bad image?)
    3. Different software tools to create the installer? (bad/crappy software - try Balena Etcher, Ventoy, dd on the command line, etc)
    You link is irrelevant, unless I am missing something?
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      #3
      Originally posted by claydoh View Post
      Ignore GPT (for now at least), it is irrelevant to this.

      Based on the error, have you tried:
      1. Different USB sticks? (bad sections on the USB?)
      2. Fresh ISO downloads, and verified them? (bad image?)
      3. Different software tools to create the installer? (bad/crappy software - try Balena Etcher, Ventoy, dd on the command line, etc)
      You link is irrelevant, unless I am missing something?
      I verified the checksums every time. And the new image I made for Kubuntu 22.04 was done on my laptop running Linux Mint 19.2.
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        #4
        Did you re-boot your computer, interrupt the booting to enter your BIOS, and did you select the UEFI version of your live USB (listed in the boot list or the boot override listing in your BIOS)?
        IOW, did you boot your live USB in UEFI mode or in the older legacy MBR mode?
        (when you re-boot, your BIOS should show your USB listed as a UEFI USB, as well as maybe also a 'standard' USB -- it will say UEFI or EFI in the description of the USB)
        An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski
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          #5
          Originally posted by Qqmike View Post
          Did you re-boot your computer, interrupt the booting to enter your BIOS, and did you select the UEFI version of your live USB (listed in the boot list or the boot override listing in your BIOS)?
          IOW, did you boot your live USB in UEFI mode or in the older legacy MBR mode?
          (when you re-boot, your BIOS should show your USB listed as a UEFI USB, as well as maybe also a 'standard' USB -- it will say UEFI or EFI in the description of the USB)
          I had my local computer store set USB as the 1st boot device and 2nd boot device is the Linux drive and when put the thumbdrive in my DT then turn it on it starts to load Kubuntu it shows the splash screen but that's all then it says no display device detected or something like that then screen goes blank and if I hit the power button shortly afterword it says remove device if any press enter to shutdown I believe.
          I also tried Rufus and Yumi on Windows (because I dual boot) no luck in fact it doesn't even show a Kubuntu splash screen, it just goes to Windows 10.
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            #6
            Originally posted by SuperSapien64 View Post
            it says no display device detected or something like that
            More explicit and exact errors would be helpful to know, this one would be important. "no display device detected" is literal, and kinda big.
            I assume this machine has WIndows already, and is working fine there?
            Maybe a BIOS setting for graphics needs changing?

            I wonder if this setup needs to use nomodeset to get going on the live session?


            Originally posted by SuperSapien64 View Post
            RX 6750 XT GPU
            This shouldn't be an issues, but the relative newness of the card might be a factor, if one is using the original 22.04.0 iso and not the latest point release, 22.04.1with a fresher kernel. I doubt this is the case.
            It may be worth trying a 22.10, or some distro that is much fresher, for test purposes, though that kernel is found in 22.04.2
            The issue may be the need for updated firmware for the GPU, but the installer should boot, in a lower level graphics mode, I'd say. I can not find instance of people having similar issues with this card on Ubuntu

            I happen to have an rx 6650 xt on the way, arriving Monday. My system is 22.04 based, so will see what happens, though my hardware is 9th gen intel.

            Originally posted by SuperSapien64 View Post
            I also tried Rufus and Yumi on Windows
            Rufus has too many options that can be set.
            I really suggest Etcher, as it creates the USb iirc the same way no matter if it is windows or linux or whatever.
            Ventoy is useful since , once installed on a USB, all you do is drag an iso to that stick, as many as will fit, and you can choose to boot any of them.

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              #7
              In fact claydoh when I turn on my DT it doesn't even show a splash screen for my motherboard. I don't know if it is the monitor or the desktop but I suspect the monitor because the computer store that built was able to get into the UEFI just fine so obviously it must be something to do with my monitor.
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                #8
                "Acer Nitro QG1" Which port are you connected to? HDMI, DisplayPort, or VGA?
                Windows no longer obstructs my view.
                Using Kubuntu Linux since March 23, 2007.
                "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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                  #9
                  Originally posted by Snowhog View Post
                  "Acer Nitro QG1" Which port are you connected to? HDMI, DisplayPort, or VGA?
                  HDMI and BTW there is no VGA on this monitor.
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                    #10
                    I figured it out I had the HDMI plugged into the motherboard instead of the GPU. And I was able to successfully install Kubuntu.
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                      #11
                      Originally posted by SuperSapien64 View Post
                      I figured it out I had the HDMI plugged into the motherboard instead of the GPU. And I was able to successfully install Kubuntu.
                      That sounds my mu fudge a couple of days ago. I installed my new GPU, having sold my previous one a couple of months back. I could not get a signal to my monitors for some reason. They were plugged in to the card, I triple checked.
                      But what I had missed was to plug in the gpu power cable that was sitting right there in the case. I thought I had a bad card there for a bit.
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                        #12
                        Originally posted by claydoh View Post

                        That sounds my mu fudge a couple of days ago. I installed my new GPU, having sold my previous one a couple of months back. I could not get a signal to my monitors for some reason. They were plugged in to the card, I triple checked.
                        But what I had missed was to plug in the gpu power cable that was sitting right there in the case. I thought I had a bad card there for a bit.
                        Yeah isn't that embarrassing.
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