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  • Screen Blanking Stopped Working

    From Chris Schram@21:1/5 to All on Mon Feb 20 10:06:11 2023
    I have a Pi 4 connected to a small no-name HDMI monitor. It boots and
    runs from an SSD. It is active 24/7, monitoring my land-line phone's
    incoming Caller ID signals.

    Each weekend I update whatever software packages have changed recently.
    I don't pay particular attention to what packages update, but last time
    it was around 25. Also each weekend, I copy the contents of the SSD to a
    flash drive using SD Card Copier. This procedure has served me well for
    many months.

    I am accustomed to the screen blanking out after a short while, but
    since the last update this is no longer working. I have toggled Screen
    Blanking under Raspberry Pi Configuration. I have fiddled (ignorantly)
    with xset. I have powered the Pi and its monitor down, waited a moment,
    powered it back up. Screen blanking is just not working anymore.

    What am I missing? Before this problem, I had not changed any settings.

    Once-upon-a-time I played with xscreensaver, which is no longer
    installed, and the entertainment value seems like overkill in this
    situation.

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  • From Chris Schram@21:1/5 to Chris Schram on Tue Feb 21 00:35:19 2023
    On 2023-02-20, Chris Schram <chrispam1@me.com> wrote:
    I have a Pi 4 connected to a small no-name HDMI monitor. It boots and
    runs from an SSD. It is active 24/7, monitoring my land-line phone's
    incoming Caller ID signals.

    Each weekend I update whatever software packages have changed recently.
    I don't pay particular attention to what packages update, but last time
    it was around 25. Also each weekend, I copy the contents of the SSD to a flash drive using SD Card Copier. This procedure has served me well for
    many months.

    I am accustomed to the screen blanking out after a short while, but
    since the last update this is no longer working. I have toggled Screen Blanking under Raspberry Pi Configuration. I have fiddled (ignorantly)
    with xset. I have powered the Pi and its monitor down, waited a moment, powered it back up. Screen blanking is just not working anymore.

    What am I missing? Before this problem, I had not changed any settings.

    Once-upon-a-time I played with xscreensaver, which is no longer
    installed, and the entertainment value seems like overkill in this
    situation.

    Followup: Apparently quite a number of people are having this problem
    after recent update(s). Here is a link to a thread at the RPi forum
    describing the exact same problem on a touch display, along with a
    temporary solution. We may be waiting for another software update to get
    this problem solved.

    https://forums.raspberrypi.com/viewtopic.php?p=2082913&hilit=blanking#p2082913

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