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iMac Late 2009 Screen Problems: Yellow Tinge, Screen Flicker
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Dino1956
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PostPosted: Mon Jan 04, 2010 8:04 pm    Post subject: Reply with quote

You sure about that? I just did a quick Screen Movie & it shows the Yellow. Even when I move the Video Window to a part of the screen that is not Yellow. Stay tuned! I have a better YouTube Vid coming.
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Cypher
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PostPosted: Mon Jan 04, 2010 8:13 pm    Post subject: Reply with quote

Here's two images of the effect on mine, I think the camera is slightly exaggerating it though, making it appear slight more darker at the top



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Cypher
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PostPosted: Mon Jan 04, 2010 8:15 pm    Post subject: Reply with quote

Dino1956 wrote:
You sure about that?


Screen captures definitely don't show the effect for me as Bill mentions they just show mine as it should look.
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Dino1956
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PostPosted: Mon Jan 04, 2010 8:17 pm    Post subject: Reply with quote

Yes Cypher I can see. Basically the color on top is more pronounced & much darker than bottom, which looks a little faded. That is my issue as well. Only mine is towards Left Side & looks Yellowish.

Try watching this at full Screen. Let me know if you can see it.

Go Here:

http://www.youtube.com/watch?v=4wgIM_CUwo8
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Dino1956
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PostPosted: Mon Jan 04, 2010 8:21 pm    Post subject: Reply with quote

Ok. Maybe it was imagination that I still saw it!

Isn't there an easier way of putting a Picture on here, other than putting your picture on a hosting site? There has to be!! Smile

How did you get yours on here?
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Cypher
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PostPosted: Mon Jan 04, 2010 8:26 pm    Post subject: Reply with quote

I still can't notice the yellowing on that new video Dino. I tired viewing it on both of my screens


I can put up with my iMac Screen problem as its not really noticeable with most of what I view on screen but my MacBook Pro looks a lot like this one



this isn't a picture on my actual Macbook Pros Screen but it is one I found which has the same effect. Thankfully mines not as bad as this one
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Cypher
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PostPosted: Mon Jan 04, 2010 8:27 pm    Post subject: Reply with quote

Dino1956 wrote:
How did you get yours on here?


I use Skitch - www.skitch.com
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Dino1956
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PostPosted: Mon Jan 04, 2010 8:28 pm    Post subject: Reply with quote

Wow No! That is Bad. Mine would have been back 3X already for that! Smile Stay tuned. I'm getting Pictures.
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PostPosted: Mon Jan 04, 2010 8:33 pm    Post subject: Reply with quote

Ok here are my Images. The Gray Bar at Bottom is much lighter.

In the Third photo when I bring both Bars to the Top of Screen, they become identical.


http://www.mediafire.com/i/?35ymmzmjjtd

http://www.mediafire.com/i/?nlait3yl2ei

http://www.mediafire.com/i/?0ynk5mlhn42
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PostPosted: Mon Jan 04, 2010 8:36 pm    Post subject: Reply with quote

mines more like the top of the frame banding but all the way down, its nothing like as dark as the image above is at the bottom.

When it happens I just press the keyboard shortcut control-shift-eject, which forces the display to turn off. Then I press any key to restart the display and the banding has usually disappeared.
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PostPosted: Mon Jan 04, 2010 8:43 pm    Post subject: Reply with quote

I was still struggling to see yours but I edited one of the images to overlay a section of the bottom left rectangle so it was over the top left one and its very noticeable now



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Dino1956
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PostPosted: Mon Jan 04, 2010 8:48 pm    Post subject: Reply with quote

Wow! That looks bad. When I look at the screen, it doesn't look THAT drastic. But I guess that's Proof enough that I do have the problem. Hey could you send that image you created to my email? I'll send you a PM with my eMail. Thanks for taking the time.
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Bandit Bill
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PostPosted: Mon Jan 04, 2010 8:49 pm    Post subject: Reply with quote

Cypher wrote:
I was still struggling to see yours but I edited one of the images to overlay a section of the bottom left rectangle so it was over the top left one and its very noticeable now




Very noticeable. It also highlights the yellowish hue.
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Dino1956
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PostPosted: Mon Jan 04, 2010 8:53 pm    Post subject: Reply with quote

Yes, and that's the Yellow I have been seeing.

Cypher is it that way all the way across the bottom, or just on the Left Bottom Side?
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Cypher
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PostPosted: Mon Jan 04, 2010 9:00 pm    Post subject: Reply with quote

Its just a small section copied from the bottom rectangle and overlaid on the top one (approx 50% of the width)

I've emailed the full image

Its easy to recreate it yourself.

Open one of your images in Preview, using the selection tool - draw a rectangle around the lower left section. Press CMD C to copy the selection
then press CMD V to paste a copy back in and then just drag it up to the top section.
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Last edited by Cypher on Mon Jan 04, 2010 9:20 pm; edited 1 time in total
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