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View Poll Results: 2011 iMac owners: do you have a yellow tinted display?
21" iMac; both bars are grey. Perfect display! 39 15.92%
21" iMac; yellow tinted display. 24 9.80%
27" iMac; both bars are grey. Pefect display! 109 44.49%
27" iMac; yellow tinted display. 73 29.80%
Voters: 245. You may not vote on this poll

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Old May 18, 2011, 01:10 PM   #1
jgonzo
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mid-2011 imacs 27" & 21" yellow tinted screen thread

Similar to the huge ongoing thread (http://forums.macrumors.com/showthread.php?t=824940)...but solely devoted to the mid-2011 imacs.

It appears the yellow tinge issue has not been resolved by apple. I have already sent one 27" 2011 imac back. The poll will help gauge the issue to see how many 2011 imac owners have a 'good' imac vs those that have a imac with the yellow tint.

Please see below for instructions:

http://tapplox.com/imac-led.html

1. While focussing your eyes on the grey bars at the bottom
2. Resize the height of your browser window so that the grey boxes are almost touching
3. Resize the browser back to full size
4. Repeat steps 1-3 several times. Do the test while you are looking directly at the screen, do not tilt your screen up or down. Align your eyes perpendicular to the screen.

Don't forget to vote and post screen shots if you have a 'yellow' imac.

Thanks

Last edited by jgonzo; May 18, 2011 at 01:23 PM. Reason: updated title
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Old May 18, 2011, 04:31 PM   #2
jgo78
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ok, got my replacement.

1st thing is: it's not perfect! there is a slight bit of redness in the middle/top left side but not bad.

But!

I don't have any yellow tinting.

So , my conclusion is that a 'perfect' screen is extremely rare while a less than perfect screen is the norm. Get it replaced until you find one 'acceptable' maybe not 'perfect' and be happy with it. Looks like a keeper so far. Not going through the hassle of another exchange. no pixel issues or anything so far. just need to test everything else and verify all is ok.

Update: harddrive seems certainly louder as the other one had no noise (seagate).

noisy hd = wd1001fals-403aa0 (western digital, big difference in noise)
quiet hd = ST31000528AS (seagate) (can't hear it at all actually)
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Last edited by jgo78; May 18, 2011 at 05:36 PM.
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Old May 18, 2011, 05:23 PM   #3
jgonzo
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Glad you got an acceptable one without the yellow! Post some pics if you get the chance.
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Old May 18, 2011, 05:31 PM   #4
jgo78
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Quote:
Originally Posted by jgonzo View Post
Glad you got an acceptable one without the yellow! Post some pics if you get the chance.
sure, im a noob, can you tell me how? I can show a comparison of both machines
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Old May 18, 2011, 06:04 PM   #5
jgonzo
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A comparison would be great!

Check this out...it'll give you directions on how to post pics.

http://forums.macrumors.com/faq.php?...b3_attachments
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Old May 18, 2011, 06:15 PM   #6
hashmukh
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Imac Yellow issue

im on my 2nd imac now.. same problem, slight yellowness at the bottem if the screen!!.. sending 2 IMAC BACK IN 2 WEEKS!!! madness!
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Old May 18, 2011, 06:19 PM   #7
jgo78
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see if you can see these
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Old May 18, 2011, 06:21 PM   #8
jgo78
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and this:
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Old May 18, 2011, 06:24 PM   #9
jgo78
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that didn't work, think im going to have to take a picture of it. Check these out.

You can see the one on the left has a slight reddish tint in the upper left corner and the imac on the right has the yellow tint pretty bad on the bottom half.

I'm gonna keep the one on the left. It's not perfect but it will have to do.
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Last edited by jgo78; May 18, 2011 at 06:50 PM.
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Old May 18, 2011, 06:35 PM   #10
Binary Ninja
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as i did in the other post mine is fine 27" mid 2011 spec see my sig
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Old May 19, 2011, 08:38 AM   #11
jgonzo
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Quote:
Originally Posted by jgo78 View Post
that didn't work, think im going to have to take a picture of it. Check these out.

You can see the one on the left has a slight reddish tint in the upper left corner and the imac on the right has the yellow tint pretty bad on the bottom half.

I'm gonna keep the one on the left. It's not perfect but it will have to do.
Good to hear and congrats!! My replacement is being delivered today. Crossing my fingers....
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Old May 19, 2011, 08:42 AM   #12
jgo78
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Quote:
Originally Posted by jgonzo View Post
Good to hear and congrats!! My replacement is being delivered today. Crossing my fingers....
let us know how yours is.
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Old May 19, 2011, 02:19 PM   #13
jgonzo
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Quote:
Originally Posted by jgo78 View Post
let us know how yours is.
Just set it up...and no yellow!!! very happy! Has a small dust particle towards the righthand side of the screen. Not that noticeable and may try to get it out later.

Will post pics tonight after I merge everything over. = ]
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Old May 19, 2011, 02:22 PM   #14
wavey.dave
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Had a 27@ i5 3.1 which was sent back. Bought a 2.7 as a replacement from an Apple Store and tested in store before leaving. This one is fine. Whites aren't perfect, but then they rarely are.
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Old May 19, 2011, 02:55 PM   #15
cheops2006
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Received a new Mid 2011 3.4 2GB 6970 4GB RAM to replace my yellow iMac 2010, Happy to say screen is perfect so, I'm happy
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Old May 19, 2011, 03:45 PM   #16
SimonBS
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Hello,

I just received my 2011 27" iMac today. I have never had an iMac before. Would you say that I'm a victim of the yellow tint issue? The photos are taken with my iPhone 3GS.
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Old May 19, 2011, 04:07 PM   #17
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Wirelessly posted (Opera/9.80 (iPhone; Opera Mini/5.19802/24.854; U; en) Presto/2.5.25 Version/10.54)

Quote:
Originally Posted by SimonBS
Hello,

I just received my 2011 27" iMac today. I have never had an iMac before. Would you say that I'm a victim of the yellow tint issue? The photos are taken with my iPhone 3GS.
Not to me! I don't see yellow in these pics!
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Old May 19, 2011, 05:21 PM   #18
jgo78
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Quote:
Originally Posted by SimonBS View Post
Hello,

I just received my 2011 27" iMac today. I have never had an iMac before. Would you say that I'm a victim of the yellow tint issue? The photos are taken with my iPhone 3GS.
hard to say with those pics, kinda looks like you have a bit of yellowing on top and bottom but not too bad. If you look at mine, you can clearly see the difference from the top and bottom of the screen.
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Old May 19, 2011, 05:24 PM   #19
SimonBS
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Quote:
Originally Posted by qap View Post
Wirelessly posted (Opera/9.80 (iPhone; Opera Mini/5.19802/24.854; U; en) Presto/2.5.25 Version/10.54)

Not to me! I don't see yellow in these pics!
Great I just think there is a bit at the bottom. On the other hand, if it's not too bad...

Quote:
Originally Posted by jgo78 View Post
hard to say with those pics, kinda looks like you have a bit of yellowing on top and bottom but not too bad. If you look at mine, you can clearly see the difference from the top and bottom of the screen.
It's clear on your pictures, indeed. I know my pictures are quite bad. I'm afraid that's all my iPhone 3GS can do
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Old May 19, 2011, 05:49 PM   #20
jgonzo
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Quote:
Originally Posted by SimonBS View Post
Great I just think there is a bit at the bottom. On the other hand, if it's not too bad...



It's clear on your pictures, indeed. I know my pictures are quite bad. I'm afraid that's all my iPhone 3GS can do

it looks pretty good! on my first 27" imac you could really tell the yellow when viewing a web page that has alot of white (this site, yahoo, etc). If you can't see it on those web pages, you are probably good to go!! Enjoy.
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Old May 19, 2011, 06:17 PM   #21
jgonzo
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Originally Posted by jgonzo View Post
Just set it up...and no yellow!!! very happy! Has a small dust particle towards the righthand side of the screen. Not that noticeable and may try to get it out later.

Will post pics tonight after I merge everything over. = ]
replacement iMac...looking good!

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Old May 19, 2011, 06:23 PM   #22
jgo78
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yors looks good, very good.
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Old May 19, 2011, 06:39 PM   #23
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i took another one of my newer, better one. It's not perfect but would you say it's acceptable?
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Old May 19, 2011, 06:45 PM   #24
jgo78
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oh, again, here's the older 'yellower' one.
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Old May 19, 2011, 09:13 PM   #25
tvNOm&taz
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hi,

feeling sort of confused/colour blind.
don't think i have an issue, but am not really sure.

what do you think?



thanks
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