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M6600 IPS screen corner tint

Discussion in 'Dell Latitude, Vostro, and Precision' started by jack574, Jun 24, 2012.

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  1. Jutti

    Jutti Notebook Geek

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    sucks... I'd wish some M6600 owners with the IPS panel would chime in here and report their findings when they view something white on the entire screen without a taskbar on the bottom or scrollbars on the side... ideally also some measurements with a colorimeter so they can report how evenly lit the display is, something that's not so easy to spot with the blank eye...
     
  2. jack574

    jack574 Notebook Evangelist

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    Yeah, I'd like to know if all the IPS displays have the same issue to the same extent. Although it's easier to see how bad it is when the screen is all white with no taskbars, it is still clearly visible over the taskbars.
     
  3. Bokeh

    Bokeh Notebook Deity

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    I have not measured more than 75k difference in white point for the entire screen. The native white point is around 6450k. Looking at a white or grey screen, I can not see any difference in white point with my eyes, but can measure it. I do not have color blindness and can see issues in other screens, but I know that comparing what two sets of eyes see is very tough to do.

    Is there any way you can take a pic of the corner tint or tell us how large it is?
     
  4. Bokeh

    Bokeh Notebook Deity

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    My experience is very different from yours. I have a pair of Dell U2410 panels that look similar to the calibrated IPS panel, but don't have as wide of a color gamut. Everything is calibrated to 180 nits since my office is brighter than a normal digital editing room.

    The IPS panel also looks and measures better than Apple's 27" Thunderbolt display. Older panels like the Dell 2407WFP and 2408WFP only cover sRGB but did it very well. They also do not look or measure as well.

    I think this is why people don't complain that much about this panel. Everything I see is better than anything I have had before - which included an M6500 with the Samsung RGBLED TN panel.

    Either something is wrong with your setup, or you got a dud panel.
     
  5. Mourin @ Dell

    Mourin @ Dell Company Representative

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    Hey Jack547,

    Reading from your post it seems like you've already reached out to tech support. Let me know if everything works out and feel free to reach out if you have any questions on replacements/exchanges.

    -Mourin
     
  6. jack574

    jack574 Notebook Evangelist

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    Mourin - thanks, yes, dell are replacing the panel tomorrow...

    Bokeh - I tried taking a photo but it didn't work, so I've attached a link to a screenshot showing the extent of what I can see (made it on photoshop)... I've exaggerated how strong the colours are to make it easier to see but the areas affected are about right...

    http://wtrns.fr/ZY782diRppbeyX

    Thanks for the help
     
  7. Bokeh

    Bokeh Notebook Deity

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    It helps with understanding the general area that you are seeing, but like you said, its an exaggerated photoshop creation. Wish the photo had worked. That way I could see what it really looks like.
     
  8. jack574

    jack574 Notebook Evangelist

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    I know, it's a shame I can't get an accurate photo, but the areas affected are represented pretty accurately...

    If you are saying you can't see any tint on your screen with the naked eye, then that makes me think my panel is faulty. It is easily visible with the naked eye, not only just on a totally grey or white screen, but you can also see it over scroll bars etc.

    Will see what happens tomorrow when they replace the panel...
     
  9. Bokeh

    Bokeh Notebook Deity

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    Does the color cast change as you move your head? What about getting closer or farther from the screen? Wondering if it is the filter.
     
  10. jack574

    jack574 Notebook Evangelist

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    Doesn't seem to change much really when I move my head, but will look again later. What filter is this, and how might it affect the colours?

    The Dell engineer has just replaced the panel and the new one has the same issue. He could also see the tint, so it's not just my eyes!

    What IPS panel do you have, do you know? Mine is Dell part no 04259G. LP 173WF3, made by LG.

    Anyone with/without a tint know what panel they have? Not sure if they're all the same.

    If it's just a feature that all the panels have, and there's nothing wrong with my particular panel, I can live with it, I'm just surprised by it.

    Thanks
     
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