this post was submitted on 14 Nov 2023
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Lemmenmo
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2 weeks out of warranty Dell monitor starts blinking on and off (lemm.ee)
submitted 1 year ago by [email protected] to c/buildapc
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The timing is either amazing or the electrical storm this afternoon fried something. I have the 2721dgf now it turns black for 2 seconds before resuming randomly. My other 4k dell monitor is fine

Any solutions? Repair or black Friday?

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[โ€“] [email protected] 6 points 1 year ago

Have you tried a different cable or different input (if the monitor has more than one)?

[โ€“] [email protected] 1 points 1 year ago

Similar experience, but in reverse. Have 4K Dell S2721Q that exhibits your on/off behavior. I swapped the power cable between it and my 2721DGF and it alleviated the problem. Used to be practically constant on/offs, now only does this occasionally after waking display. Power cycling then fixes. Not a great experience or solution, but try some diff power cables (C13) if you have some around.