Screen temporarily goes black

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    Pi: 2 B
    Video Output: HDMI
    Retropie: Version 3.0 (modded version from
    Controller: GPIO input

    I’m plugging my pi into an HD tv (this one). It’s a long HDMI cord, about 12 feet. Retropie loads, I’m able to select games, etc. Occasionally, the screen will go black for about 30s-1min. So far, this has happened in the terminal and while playing a game. It then comes back on the screen. I know the rpi isnt turning off (fully at least) because it comes back on to where I left off. I also know inputs work while this occurs as things I typed on a USB keyboard during this “blackout” were seen after the screen came back on.

    I suspected it’s because the HDMI cord is so long, so I set config_hdmi_boost=5.

    I don’t know if I should continue increase that or try something else. Thanks for any help.

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