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XB321HK Weird Artifact
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FAQ & Answers
Tinkerer
1. Interference from electrical network: switching on/off light in the closet of the room where
the monitor was or plugging something into another AC outlet in the same room.
2. Static electricity: Moving Adidas tracksuit pants in the front of the monitor from 2 meter distance
to 0.5 meter distance. The pants are the like that easily collect static charge.
The black outs disappeared completely after replacing DP cable with higher quality one.
Here's specs for the old cable:
http://www.deltaco.eu/en/products/deltaco/deltaco-prime/DP-1020
And the new one:
http://www.deltaco.eu/en/products/deltaco/cables-adapters/displayport/displayport/DP8K-1020
But the smaller distortion that this thread seems to be mostly about still happens with the
new cable also.
Tinkerer
TBH, even with this issue the monitor is still quite usable and what alternative exists? If acer offered me a 30% discount on another monitor I would be satisfied with this.
One idea though. Has anyone tried cooling the monitor? Like propping a little fan to blow in through the vents, or maybe rig a fan somewhere inside of it.
I do notice the issue only comes up with the monitor has been on for a while and it is in use. I first, and primarily noticed it when playing an actual game. Then occasionally noticed it on the desktop. Which makes me think maybe it heat related.
Tinkerer
The black out issue was much more worse than this small glitch and I had been able to live with it almost one and half year until I got it fixed last week with better cable. Apart these two issues, the XB321HK is best monitor I've had so far.
Its just completely random and may make you think that various things affect it while it was just coincidence.
I doubt its fixed, they will tell you anything you want to hear just to make you buy it. As you see person above was sent a "new replacement" monitor by Acer and issue was still occuring. You bet they would send them a fixed one if they actually had it, but they didn't. When they'll have your money - you will be in world of pain trying to get it fixed with them wasting your time.
G-sync is a nice feature, but I don't think presently its worth it to be honest (esp. extra price they charge for it too). There been much better modern 4K IPS monitors been released recently - with much higher contrast, better panel optical quality (e.g. less bleed and glow) and zero dead pixel guarantees.
I'd prefer just to use Nvidia Adaptive VSync which works almost as well if not better - because G-sync breaks all the time when Microsoft releases new Windows version or NVidia releases new driver.
Also if you think that monitor that glitches like 60-ies analog TV is "ok to live with" its ultimately up to you - but also keep in mind that unless you going to keep it for lifetime, you will have trouble selling it later when you want to replace it with something newer - because you can bet not a lot of people will want to buy it from you knowing that it suffers from glitches.
Note: My monitor doesn't have the "black out" issue, but intermittent flash of garbled image.