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Thread: Grub Customizer.

  1. #1
    Join Date
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    Grub Customizer.

    I have images that I want to use as backgrounds in grub customizer, I have renamed them to .png from .jpg and tried different sizes, but they just don't display on grub. any help would be greatly appreciated.

    Henry

    PS Not sure if this is the right thread, move if needed.
    Ubuntu 24.04 64 bit
    HP Pavillion Gaming Laptop 16 inch
    32 GB ram 500 GB SSD Nvme
    Intel 10th generation i5 4 cores 4 threads. Intel UHD graphics

  2. #2
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    Re: Grub Customizer.

    Probably no reason to use grub customizer (which many say you should not use) for this. If you just want to change the background image for the default grub menu, the easiest way is to add a line in /etc/default/grub with a path to the image. As done here:

    Code:
    GRUB_DEFAULT=0
    GRUB_TIMEOUT_STYLE=hidden
    GRUB_TIMEOUT=10
    GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
    GRUB_CMDLINE_LINUX=""
    GRUB_BACKGROUND="/home/dn/Pictures/grub-mesh-gradient-1.png"
    Run sudo update-grub afterwards to have it take effect.

  3. #3
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    Re: Grub Customizer.

    That I will do, thank you so much.

    Henry
    Ubuntu 24.04 64 bit
    HP Pavillion Gaming Laptop 16 inch
    32 GB ram 500 GB SSD Nvme
    Intel 10th generation i5 4 cores 4 threads. Intel UHD graphics

  4. #4
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    Re: Grub Customizer.

    Grub Customizer is not something that is generally recommended to use. We have seen many, many posts here from users who have run into issues with it.

    As Dennis N pointed out, with some tweaking, you can customize GRUB pretty much as you like without the use of an app.

    If the solution provided resolved your question, please mark the thread Solved so others can find and use this method.

  5. #5
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    Re: Grub Customizer.

    Just noticed your response, sorry for the delay. Luckily I have been using it for years without any issues, other than the background image. Anyway thanks for your info. I will keep it in mind. Always good to read both sides of an issue.

    Henry
    Ubuntu 24.04 64 bit
    HP Pavillion Gaming Laptop 16 inch
    32 GB ram 500 GB SSD Nvme
    Intel 10th generation i5 4 cores 4 threads. Intel UHD graphics

  6. #6
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    Re: Grub Customizer.

    So you all know I marked as solved, but nothing worked. I will contact the maintainer and see what he say's. Again I do appreciate all your help.

    Henry
    Ubuntu 24.04 64 bit
    HP Pavillion Gaming Laptop 16 inch
    32 GB ram 500 GB SSD Nvme
    Intel 10th generation i5 4 cores 4 threads. Intel UHD graphics

  7. #7
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    Re: Grub Customizer.

    What do you mean by nothing worked?

    The background image? Something else?

  8. #8
    Join Date
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    Re: Grub Customizer.

    The background. I believe the maintainer changed the type and size of the image, this is ther info I am looking for. I did at one time find it, but now I can't.

    Henry
    Ubuntu 24.04 64 bit
    HP Pavillion Gaming Laptop 16 inch
    32 GB ram 500 GB SSD Nvme
    Intel 10th generation i5 4 cores 4 threads. Intel UHD graphics

  9. #9
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    Xubuntu 24.04 Noble Numbat

    Re: Grub Customizer.

    You need to use images with some specific properties as a background for the grub menu; you can not simply use any image you happen to have on your system.

    See https://help.ubuntu.com/community/Grub2/Displays for all the details and then simply copy that chosen image to /boot/grub and run sudo update-grub

    PS:
    I have never used Grub-Customiser, nor seen any reason to do so. It is simple enough to do anything you need with exits of the simple text config files.
    Ask here for details of something specific if you can't find it.
    Last edited by ajgreeny; 4 Weeks Ago at 10:06 PM.

  10. #10
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    Re: Grub Customizer.

    Check the link posted by ajgreeny as there is good information there.

    In my testing, you can also place the image in your home folder. I used the Pictures folder.

    The most important thing, however, is the image size. It needs to match your screen resolution.

    For example, on my laptop it is 1366x768. If you use a larger image it won't display at all and if you use a smaller one it won't render correctly.

    Try testing with a few images and let us know what worked.

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