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Purple spots on U2312HM

post #1 of 21
Thread Starter 
Edit: Just noticed it was in the pictures on Ebay, where I bought it, though I obviously didn't notice it the first time I went through the pictures. I don't think the seller noticed either considering they never mentioned it in the listing and said the screen was all good.

So I just got a U2312HM and it was working well for a while. Then, a few hours ago I noticed some purple dots on the bottom of the monitor. I assumed it was just Far Cry 3 but alas, it's also on my desktop, Windows splash screen, etc.

I've tried using two different VGA cables(getting a DVI in a few days) and that didn't change anything. Then I tried my old monitor again and everything looked fine so I know it's not my GPU and I'm pretty sure it's not my cables/VGA to DVI adapter.

It doesn't show on everything either. Take Firefox for example, everything looks fine here but my desktop, Steam, and multiple other places it's quite obvious.

Anything else I can try to fix this?

Edited by Gr0ve - 12/7/12 at 6:29am
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post #2 of 21
Have you played about with the screen settings using the button on the monitor? Change the brightness and contrast from 0 through to 100% and see how that impacts the purple splashes.
post #3 of 21
Thread Starter 
Tried that but sadly, nothing changed.

Can't say I'm too surprised that the monitor has issues. The stand and plastic around the monitor looks like it had a long trip down some bad roads.

Wait a minute, if I take a screenshot of my screen and the blotches persist then doesn't that mean something? I don't know...someone please correct me. I can't seem to connect the dots right now. sleepysmiley03.gif
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post #4 of 21
the fact that the screnshot doesn't show the purple dots, means it's not in windows, but rather it's on the screen side of things..
    
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post #5 of 21
Thread Starter 
Oops. doh.gif
I wasn't thinking and thought that it was showing the dots in the screenshot because I could see them but it was just the monitor acting up because of the black background or something like that.
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post #6 of 21
Your rig is playing mind games with you! NOOOOO!

Back OT, any luck with resolving the purple dots?
post #7 of 21
Thread Starter 
Nope. Did some research the first day I noticed it and only three causes were mentioned: magnets, cable problems, and failing VRAM(or something like that). My VRAM is clearly fine since everything was fine on my other monitor. I don't think there's anything I can do about the magnet thing. And lastly, I've tried 3 cables now, 2 VGA and 1 DVI.

I basically just decided to deal with it for a little while, buy a new one, then sell this one.
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post #8 of 21
Quote:
Originally Posted by Gr0ve View Post

Nope. Did some research the first day I noticed it and only three causes were mentioned: magnets, cable problems, and failing VRAM(or something like that). My VRAM is clearly fine since everything was fine on my other monitor. I don't think there's anything I can do about the magnet thing. And lastly, I've tried 3 cables now, 2 VGA and 1 DVI.
I basically just decided to deal with it for a little while, buy a new one, then sell this one.

Is it only and always visible in a black background/screen? If it is, it could be a group of stuck pixels.
post #9 of 21
Return it if you can. That looks like a manufacturing defect.
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post #10 of 21
Thread Starter 
Quote:
Originally Posted by Peter Nixeus View Post

Is it only and always visible in a black background/screen? If it is, it could be a group of stuck pixels.
Not necessarily a black background but anything that's somewhat dark.

Take the bottom of this thread for example, the gray box makes one of the spots noticeable however if I scroll up to the white and very light blue section, it looks perfectly fine.
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