Half monitor only artifacts

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freitasm

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#284204 7-Apr-2021 09:57

Suddenly last night my monitor (a 35" BenQ) changed - I could see the fonts on the left side had some jagged edges, while moving the same window to the left side showed it sharp and easy to read, as usual.

To make sure it was not the source (a desktop with NVIDIA card) or cable, I first plugged my laptop via USB-C - and the same thing happens.

So certainly something with the monitor. Not completely unusable but I can see the difference so at some point it will be annoying. Interesting it seems to happen with text only as images, icons, video seem to be ok.

I also know it shouldn't be the desktop source as screenshots show no difference.

Any ideas or suggestions (have in mind tested with two different sources and two different connection types). Below are the left side (bad) and the right side (good):

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#2687748 7-Apr-2021 11:27

Factory reset it

You're not on Atlantis anymore, Duncan Idaho.

freitasm

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#2687837 7-Apr-2021 12:15

Talking to support to see how to go about that - can't find instructions for this specific monitor model so waiting for support to provide some.

freitasm

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#2687847 7-Apr-2021 12:34

Hmmm. Used the OSD to reset it - twice but the same results. They say it's the only reset option, although some search tells me there is a hidden Factory Menu for other models but nothing for this one.

freitasm

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#2687882 7-Apr-2021 14:09

Same photos above but without sizing down... On the first one you can see a shadow on top of the letters. This is what causes it look jagged.

SpartanVXL

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#2687888 7-Apr-2021 14:37

Since you’ve tested source, possibly something wrong with a monitor feature (if the display controller isnt broken).

Anything like a sharpening, anti-ghosting/overdrive, image scaling setting?

When you mention only half the screen I think of those ‘feature display’ settings that retail stores use to showcase what the screen can do. Any chance it has something like that?

freitasm

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#2687889 7-Apr-2021 14:39

No "Features" like this in use (including PIP or PBP). Twice reset. No, don't think it's a Store Mode - or at least the support person didn't mention that but she did ask about multiple sources at same time (which would be PIP and PBP).

richms

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#2687901 7-Apr-2021 15:22

I had one screen with a demo mode that when on only messed up half of the picture. Perhaps something like that happened? Otherwise if its a tiled display perhaps half of it is negotiation a lower res with the display card or something. Ive not played too much with ones that do that to know what artifacts that can show as.

Richard rich.ms

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freitasm

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#2687913 7-Apr-2021 15:47

BenQ asked to RMA the monitor, so doing it now.

freitasm

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#2688376 8-Apr-2021 15:30

Dropped monitor to the service agent in Wellington, under warranty, no questions asked.

sonyxperiageek

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#2689484 8-Apr-2021 18:02

Time to switch to a Dell?

Sony

freitasm

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#2689487 8-Apr-2021 18:08

sonyxperiageek: Time to switch to a Dell?

Nah. The BenQ is really nice - good size, brightness and HDR. Unless it comes back as non-reparable I see no reason to switch (and pay) for a new one now.

Apsattv

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#2689555 8-Apr-2021 19:47

Most monitors these days can have firmware applied via their usb ports, that may been an option?

freitasm

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#2689558 8-Apr-2021 20:01

It is with the service agents so will see if any firmware update is applied as I have the previous version in my records.

freitasm

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#2697231 23-Apr-2021 15:03

The service agent couldn't see the problem so I sent a couple of the high-resolution photos I had taken before. It's one of those "once seen it cannot be unseen" things and he noticed it immediately after the photos were supplied.

Unfortunately, BenQ thinks it's a panel problem and they can't provide a replacement, so I am receiving a full refund of the price paid.

Case closed.

Apsattv

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#2697418 24-Apr-2021 05:29

Hope it was nothing to do with cleartype. Something to check..

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