RPi4 force resolution

  • I have upgraded from RPi3 to RPi4 and can only get 1024x768 on same display (12 year old Dell WFP3008) supporting 1920x1080 (on RPi3 1920x1080 was working well). Is there any way to force resolution?

    PS Reasons for upgrading from RPi3 was that after playing several videos I am starting to have following problems:
    1. Seeking video position doesn't work until 10-15 seconds of video played.
    2. When video ends RPi3 freezed for 30-60 seconds (even network control doesn't work).
    Maybe you can help with this ones.

  • Read here how to edit config.txt.

    Read here how to enforce an HDMI mode at config.txt.

    Sorry to necro this thread, but it is the top result on google for "libreelec force resolution" so I'm going to say that this is valuable real estate, and exactly the right place to put the correct answer. You're not wrong, but a bit terse.

    https://wiki.libreelec.tv/config.txt 404's now, so your 'helpful' reply, which is the top result on Google for "libreelec force resolution" isn't very helpful, less than a year later.

    https://wiki.libreelec.tv/configuration/config_txt is the link now.

    URL's aren't supposed to break, ever. Don't contribute to link rot!

    Here's a more helpful reply:

    Hey, I was running into the same problem!

    I solved it by adding two (2!) lines to my config.txt:

    Code
    hdmi_group=1
    hdmi_mode=16

    Here's the full config.txt that solved my issue:


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    Quote

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    by TrapKingzofIslip July 16, 2015