Problem with image going blank

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    Hi all.

    We have a Sandbox at Winchester Science Centre, and although it works well on the whole, it has one problem.

    After the initial switch on, the image will come up but then go blank after 5 minutes or so. Pressing a key on the keyboard will make the image reappear, and then it will remain on for the rest of the day. This suggests to me that it’s not a problem with a screensaver. I’ve looked at Power Management and putting the display to sleep when inactive is set to never.

    The software is running on Linux Mint 17.1.

    I’m not au fait with Linux so if you could reply in layman’s terms that would be great!

    I might be missing something obvious, but I can’t figure it out.

    Thanks in advance…!


    I had the same problem using Mint 19.1. Did you ever find a solution?


    hi – similar timeout problem in 19.3 regardless of any settings. Googling seems to imply this is a frequent issue across mint, but obvs not so much of an issue for others constantly using mouse/keyboard.
    resolved by deleting and reinstalling the mint screensaver, and then setting everything to never…. not sure why this would work, but solved my problem!

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