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Thread: Installer screens overlaying

  1. #11

    Default Re: Installer screens overlaying

    I tried all 3 dpi values you mentioned but it still didn't work.

  2. #12

    Default Re: Installer screens overlaying

    I also tried 108 as the dpi

  3. #13

    Default Re: Installer screens overlaying

    I had the same problem. Adding nomodeset to the installer boot command line fixed it for me.

    Gene

  4. #14
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    Default Re: Installer screens overlaying

    I tried to reproduce the problem with the TW20220704 NET installer and a 1920x1200 screen connected via DisplayPort, but it works as expected without any special cmdline parameters for graphics.
    Reg. Linux User 211409 *** multibooting since 1992
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  5. #15

    Default Re: Installer screens overlaying

    Yes the net installer works because it uses the nomodeset installation by default (I think). I am running a offline install which doesn't use the nomodeset installer by default which overlays screens but with the nomodeset option the installer layout changes a bit but it works.
    By the "nomodeset installer" I mean the installer with the sidebar indicating which step it's on.

  6. #16

    Default Re: Installer screens overlaying

    @mrmazda try the offline installer on your 1980x1080 monitor setup.

  7. #17
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    Default Re: Installer screens overlaying

    Quote Originally Posted by foosa View Post
    Yes the net installer works because it uses the nomodeset installation by default (I think).
    It doesn't. Nomodeset is a troublehooting tool and workaround for failing graphics configuration and/or automagic.

    I am running a offline install which doesn't use the nomodeset installer by default which overlays screens but with the nomodeset option the installer layout changes a bit but it works.
    By the "nomodeset installer" I mean the installer with the sidebar indicating which step it's on.
    Nomodeset can produce a different layout due to a resulting lowfi resolution. All my installations are NET. I don't download and .iso or burn anything to disc or USB. Those low-reliability things were headaches for years before I learned I rarely need them. I download the installation linux and initrd to the target disk, and load them with Grub.

    I tried again the 1920x1200 screen but with XVideo=1280x800,96. All went as expected. I tried again a 2560x1440 screen with XVideo=1280x720,108. Again, all went as expected. Next I tried with XVideo=1920x1080,145. Apparently the installer knows this would be a problem, and it was ignored. Screen mode used was 2560x1440, and DPI 96. Another try on 2560x1440 but with nomodeset instead of XVideo= produced 1024x768, which did not reproduce OP's problem.
    Reg. Linux User 211409 *** multibooting since 1992
    Primary: 15.3, TW, 15.1 & 13.1 on Haswell @earthlink.net
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  8. #18

    Default Re: Installer screens overlaying

    Quote Originally Posted by mrmazda View Post
    All my installations are NET.
    Now that I think about it offline installers are a waste of disk space (On the USB drive) but network installs are quicker to download, take up less space, and you get the latest installer.

    Quote Originally Posted by mrmazda View Post
    I tried again the 1920x1200 screen but with XVideo=1280x800,96. All went as expected. I tried again a 2560x1440 screen with XVideo=1280x720,108. Again, all went as expected.
    Hmm then is it my GPU?

    Tomorrow I'll test with a different monitor

  9. #19

    Default Re: Installer screens overlaying

    Wait I noticed in XVideo you are specifying a lower screen resolution than the physical one. Am I supposed to do that too? If so how much less?

  10. #20
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    Default Re: Installer screens overlaying

    Quote Originally Posted by foosa View Post
    Wait I noticed in XVideo you are specifying a lower screen resolution than the physical one. Am I supposed to do that too? If so how much less?
    It was merely a suggestion to try any arbitrary (supported/rational) lower resolution, and/or DPI, to see if it impacts the observed misbehavior. Few displays will work with a resolution higher than their native/natural/default. My 55" LG TV (claims it) can, 4096x2160 instead of 3840x2160 native (I haven't tried). For 1920x1080 native displays, other 16:9 possibilities include 1600x900, 1366x768, 1366x760, 1280x720.

    Did you read the bug report I linked to?
    Reg. Linux User 211409 *** multibooting since 1992
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