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Why i keep having white problems ?

post #1 of 9
Thread Starter 
I have a white uniformity problem with my DELL U2312HM. The monitor is cheap for what you get, has almost no ghosting and lag in games. I bought one, was revision august 2012, and i had a massive white uniformity problem, basically on white color all my panel, except a tight line from up to down, in the right side, so all my panel except that right part on white color is not a pure white, it's more of a yellow white color. And the part where is pure white the screen it's more hot than the other side, basically the right side on the panel is more hot, and the other panel is cold, i guess there are the LEDs..

Well, i RMA that monitor, i bought another one, and had the EXACT same problem, time passed, i RMA'ed the second one, and bought another one, this time with another revision, November 2012, and i thought will be different, but it's not, it still haves the same problem.

And i bet if i keep changing or RMA, i will get the exact same monitor problems. So what's up with DELL ? They make stupid 2012 revisions, as i told that 2011 revisions are good, but aren't to be found anymore. And if i buy a TN monitor the white problem is nothing to worry about, but the TN colors are junk.

If i remove the anti-glare coating from my DELL U2312HM, could you think i will get proper white colors ? It's by any chance the anti-glare material is causing this white problems in the left area of the panel ? Or this monitor it's simply junk ?

The other colors, like playing a game, or watching a movie are stunning, i didn't notice any color uniformity. Happens only on white( while i browse forums or browsing windows).

Please anyone could help me ? I really need some advice. I keep buying monitors and sell them from over 3 months, and i didn't found a good monitor, and to have good displays.

Any other 23, 24 inch IPS good monitors around ? I think i will sell this one too, because i can't live with this problem, to mask a little this problem, i need to calibrate the monitor and use some cold colors on white areas to mask a little this problem.
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post #2 of 9
Response 1: Did you try tanning oil?
Response 2: Did you separate the whites from the colors?
Response 3: try walking a day in a black man,s shoes...

Alright alright i feel better now corny jokes make my day... biggrin.gif
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White Monolith
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post #3 of 9
Quote:
Originally Posted by CalinTM View Post

I have a white uniformity problem with my DELL U2312HM. The monitor is cheap for what you get, has almost no ghosting and lag in games. I bought one, was revision august 2012, and i had a massive white uniformity problem, basically on white color all my panel, except a tight line from up to down, in the right side, so all my panel except that right part on white color is not a pure white, it's more of a yellow white color. And the part where is pure white the screen it's more hot than the other side, basically the right side on the panel is more hot, and the other panel is cold, i guess there are the LEDs..

Well, i RMA that monitor, i bought another one, and had the EXACT same problem, time passed, i RMA'ed the second one, and bought another one, this time with another revision, November 2012, and i thought will be different, but it's not, it still haves the same problem.

And i bet if i keep changing or RMA, i will get the exact same monitor problems. So what's up with DELL ? They make stupid 2012 revisions, as i told that 2011 revisions are good, but aren't to be found anymore. And if i buy a TN monitor the white problem is nothing to worry about, but the TN colors are junk.

If i remove the anti-glare coating from my DELL U2312HM, could you think i will get proper white colors ? It's by any chance the anti-glare material is causing this white problems in the left area of the panel ? Or this monitor it's simply junk ?

The other colors, like playing a game, or watching a movie are stunning, i didn't notice any color uniformity. Happens only on white( while i browse forums or browsing windows).

Please anyone could help me ? I really need some advice. I keep buying monitors and sell them from over 3 months, and i didn't found a good monitor, and to have good displays.

Any other 23, 24 inch IPS good monitors around ? I think i will sell this one too, because i can't live with this problem, to mask a little this problem, i need to calibrate the monitor and use some cold colors on white areas to mask a little this problem.

What's your brightness at?
post #4 of 9
Thread Starter 
Tried everything possible calibration, brightness, contrast, everything. Doesn't help. DELL is making this model a JUNK MONITOR.

Basically all the screen, except the right side, has only on white color, a yellow-white color, instead of a pure white. And this is very very noticeable. As i said, i changed 3 U2312HM monitors, and they ALL THE EXACT SAME !

The only thing to mask this a little is to use cold colors to don't notice this on white color. On games/movies this thing isn't noticeable at all, only when i browse windows/internet.

I think it's the anti-glare coating ? Maybe that plastic thing is making the left side of the panel to not render an uniformity white on the entire screen ?

And *** should i do ? Basically this is the only good prices IPS monitor, and is super fast for an IPS monitor in gaming/movies. The only problem he has is this nasty white color problem.

If i play with the brightness, doesn't help. Because if i put it on very high the right side is super bright, and the left side is moderate bright, and if i put it close to low, the right side looks as if the brightness is on medium, but the left side is very yellow-white and the sides don't catch up.

It's like the right side is a panel from another monitor, and the left from another monitor...
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post #5 of 9
Thread Starter 
And i really don't know what to get anymore. I want colors + fast in gaming/movies. I tried VA panel, from benq, the white uniformity was very nice, and the colors very nice, bur has MASSIVE ghosting in games. I tried a samsung TN monitor, white uniformity was very good, but colors were washed out and looked like junk.

So basically i still want an IPS monitor, but a IPS WITHOUT THIS WHITE PROBLEM !!! And this is the single IPS in this low price range. There is another one an IPS Asus, with 5ms GTG VS239HR , could you think that one is better than this U2312HM ?
Edited by CalinTM - 2/28/13 at 12:41pm
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post #6 of 9
Why,s it gotta be a white problem?? biggrin.gif:D ok ok ill stop now. not trolling i swear.... just cant help it.
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post #7 of 9
Thread Starter 
Now i think i will stay with this one for couple of months until i will have more money and the waters will be cool down, maybe new models will enter the market. I demonstrate DELL's U2312HM has problems, and wasn't bad luck. I had 3 monitors U2312HM and as i said a million times they all are the same. Nasty DELL testing team, or they are BLIND, or have dog eyes. Raise some money, and sell this DELL too in couple of months and buy a premium panel, for a premium price, with some luck new models will enter the market, from different brands.

What should i look for ? I really need a fast IPS, no TN.
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post #8 of 9
Quote:
Originally Posted by CalinTM View Post

Now i think i will stay with this one for couple of months until i will have more money and the waters will be cool down, maybe new models will enter the market. I demonstrate DELL's U2312HM has problems, and wasn't bad luck. I had 3 monitors U2312HM and as i said a million times they all are the same. Nasty DELL testing team, or they are BLIND, or have dog eyes. Raise some money, and sell this DELL too in couple of months and buy a premium panel, for a premium price, with some luck new models will enter the market, from different brands.

What should i look for ? I really need a fast IPS, no TN.
I haven't noticed the problem you're talking about on my U2312hm. From your symptoms, it was possible that the U2312hm is turning off a few LEDs on one side to achieve low brightness. Otherwise I don't know why you're having that problem. It's not an anti-glare problem. The antiglare is the same across the entire screen - if there was a problem, you'd see it across the entire screen.
post #9 of 9
Thread Starter 
Well i bet your revision is from 2011. Mine is from 2012, and it's crap.

The part that shows pure white color as i said, if i put my hand on the screen, it's warm, and the other side, the left side where is the yellow-white problem it's cold, as if the monitor is turned off. So i think the LED's are only on the right side, and they light only that right side, and there is little to remain for the left side, and they can't reach with their light on the left side to light them up.
Edited by CalinTM - 2/28/13 at 1:36pm
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