4S screen - uneven backlighting.

Hey all,
I got a replacement iPhone 4S to replace my 4S with the yellow screen, but now I seem to have run into another Apple QC issue. I have an uneven backlight, it's pretty noticible (you can see it in the vid link below.) It presents itself as a bright white spot in the middle of my screen extending from the right side of the phone.
http://www.youtube.com/watch?v=je3Ce-Uc6ag
Not sure if I should return it, the new screen is pretty neutral and I don't want another yellow one!

Just want to chime in with my 2 cents. Im now on my 3rd 4S after having a yellow screen and a rattling vibrator now I have had the 3rd one for about 2.5 months and it has developed a yellow/dimmer top 1/3 of the screen and there is a whiter/lighter "patch" in the middle of the screen with a small whiter dot near it. There is also some backlight bleed on the top right hand corner running down about 1/3 of the right hand side. Definitely going to take it back at the weekend and see if i can get a 4th that is ok! I'll keep you updated.

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Uneven screen whiteness/backlight

Has anyone else noticed an uneven backlight/screen whiteness? I just got my 16GB, and the screen is uneven.. Standing vertical, with the home button on the bottom, the right side of the screen is slightly yellow/warmer where the left side of the screen is very white and cooler.
I think I'm taking it in for an exchange, but I'm wondering how common this is. I know iPhones and iPod touches had this issue, but I wasn't expecting these to for some reason.

I see exactly the same issue. For me, when holding the iPad vertically, a vertical strip corresponding to the middle third of the screen is significantly darker than the rest. I don't notice this at all when the room is very bright or I am using the iPad outdoors, or in movies or games, but it drives me nuts when I am reading a book or other text on a white background.
I actually had this problem on my original iPad and had it exchanged, and still see this problem—a darker vertical strip. I'm not sure what to do now and I am starting to think that all iPads have the problem, although it could just be the two copies I have had.

Can I Get a Full Refund for Uneven Backlighting on MPB after 50 weeks?

I bought a Macbook Pro C2D 17" exactly 50 weeks ago from one of the mac re-sellers that are in towns like Bristol and Swindon in the UK that don't have proper mac's own shops.
I've developed some really bad uneven backlighting on my monitor which is really noticeable when I put a mid tone colour to fill the screen (and even more noticeable when I look at it from a slight angle) and also a light coloured area at the bottom of my screen with is noticeable when he screen is black.
I also have the slight 'grainy' effect that people have been making a lot of fuss about ever since these new macbook pros were brought out, It's a glossy screen also.
A few days ago I passed round the shop and asked if I could qualify for my computer to be replaced with one of the (new) new ones, I'd like this since I find the fans go on with I use second life (and stops and starts a lot) and photoshop on full blast with various other software. Also could do with the extra RAM and resolution.
The salesman at the mac re-seller shop said that It would take about 10 days for my computer to be fixed, now I'm a graphic designer and depend on the computer for my income so that's not an option.
What I'm wondering, and the reason I'm writing this post...I heard somewhere that under UK consumer law that if a product fails to live up to what it's promised to be or is faulty, the consumer is entitled to the choice of a repair, replacement or refund. Is this true and can I qualify for it? The mac re-seller shop is only giving me the option to replace the screen it seems for a lengthy delay instead of giving me other options, what I'd like is the computer to be replaced with the new machine or mac to refund me, so I can give it to apple again by buying the (new) new macbook pro that's just come out.
Cheers,
Any advice much appreciated.
Message was edited by: Scottishengineer
Message was edited by: Scottishengineer
Message was edited by: Scottishengineer

Good Afternoon,
I can't speak for British Law, however, you should still be covered by the Apple 1 Year Limited Warranty. If you have a verified problem with your computer you should be able to send it in for repair, however, Apple is not required to replace the machine so long as they are making an attempt to make your machine operate normally.
Normal repair time will range from 10-30 business days on most issues when the machine is sent in for repair and, unfortunately, Apple is not responsible for any lost productivity time you will encounter during that time.
You may wish to contact Apple Support or Customer Care for more details.
Hope this helps! 
David

Uneven backlight on the lower edge

I'm a proud new owner of the 2013 MBA and I'm simply loving the maching but one observation added a bit of disappointment to the overall experience. Namely, on the brighter images, I see a slight darker line along the bottom of the screen. It's not a perfect line, rather a bumpy one - it's really small and mostly hard to notice (and definitely not noticable at all if you're not on a white or similar background) but it's there. Looks like an uneven backlight to me. Is it some well-known issue with the MBA displays just like the blue-ish tint happened with retinas on iPad 4's or it should be absolutely perfectly white from end to end and I should go get a replacement?

Tigro!
definitely not noticable at all UNLESS youre on a white or similar background
Its not the LCD display, but your edge lighting on the LEDs behind the LCD may have a factory defect as per your indications.
That sort of "bumpy" look you mention would be the spaced LED back lighting.
Make appt. and call Apple about possible replacement of your macbook Air.
Peace

Does your iPhone 4/4S have uneven backlighting?

Have you noticed the slight difference in brightness between the top half and bottom half of your 4/4S screens? Of the multiple exampes I have looked at half seem to have uneven backlighting where the top section of the screen is darker. The rest had yellowish screens.
You can see it by going into Settings>General and turning your device to landscape mode. You can also check using any of the various flashlight apps but I find the dark text in Settings helps me to see it more clearly.

100% positively sure

Screen unevenness on iMac Core Duo 20. What to do?

Hi Guys,
I got my first iMac Core Duo 20 last Thursday. Everything is beautiful except the screen, which had pretty bad screen unevenness at the two bottom corners. I took it back today and exchanged it for a new one. But it seems this new one is even worse. It's so bad that when I try to play a widescreen video, the entire bottom black bar appears to be light grey.
I am now a little afraid to get another 20 and experience the same problem. Is the 17 inch iMac better in this regard? My girlfriend's iMac G5 20 doesn't have this problem at all. Is this maybe just a bad batch I ran into? I know some uneveness is unavoidable on consumer LCD panels but what I saw on these two iMacs were just too impossible to live with. iMac Core Duo 20 owners, what are your experiences?
Thank you all in advance!

It is under warrantee, take it back until you get what you have paid for. Have them test a new one in the store before you take it home.
BTW, mine has worked great from day one!

Uneven backlight on LCD Screen

Dear Folks:
Does anyone know if the new CD2 Macbook Pro addresses the uneven contrast problems with the existing machines?
Raoul

Tigro!
definitely not noticable at all UNLESS youre on a white or similar background
Its not the LCD display, but your edge lighting on the LEDs behind the LCD may have a factory defect as per your indications.
That sort of "bumpy" look you mention would be the spaced LED back lighting.
Make appt. and call Apple about possible replacement of your macbook Air.
Peace

Uneven Backlight Fixes Itself?

Okay, when I first fired up my MBP the screen looked horrendously lumpy! The backlight was incredibly uneven, with shadows all over the place.
After three days of using it, the lumpiness has all but disappeared, and the screen seems fairly even bar a slightly darker strip about third of the way up the screen.
I still have a bright 1/2inch strip at the bottom (which I believe is light spillage from the backlight tube), which is a bit annoying but not worth sending the machine back for in itself.
So (not that I'm complaining) can anyone explain why the uneveness of the backlight would improve?

I think the best way to see where you get light leakage is to take pictures of it with your digital camera, or look at the view area of the camera. It sure reveals a lot spots and leaks.
But that is another story. I think its not so much that it improves, I think its your eyes playing tricks on you. Maybe there is improvement but, for the most part its just your eyes. Also hold the scree up to a mirror and you'll be able to see more lighting problems. It's really weird how when you look at it from a different perspective it looks different.
I don't know thats just my 2 cents. I have gone through swapping 10 MBP and I've settled with the most recent one. Its not perfect by any means. The battery feels loose but I'm willing to forgo that for a decent screen. Which this one is quite good compared to some other ones I had.

Uneven backlight is "normal" on retina MacBook Pro?

I bought my 13'' Haswell retina MacBook Pro days ago, I've experienced the unresponsive trackpad issue and I'm happy to see it's already resolved. But now I've encountered a new issue, and it's about the display.
As the picture above shows, in low ambient lightning coditons, I can clearly see the brightness is uneven, the top left corner and the left bottom of the screen is brighter. The center of the screen seems brighter, too. But please ignore it because I suppose it's because of my poor phone camera quality, I don't see any significant brightness with my eyes.
I was considering replace it at first, but later I called Apple, the advisor told me it's "normal"!!! Actually, he said according to my description, my symptom is not very profound, of course I can get a replacement if I insist, but he really can't promise I'll get a better one since it's a normal issue on IPS displays...
To my knowledge, among all the Macs, only iMac and retina Macbook Pros use the IPS technology. I agree that my sympton is not that profound. The first time I noticed it is when I try to watch a movie in a dark night. In normal use, I can't say I have much bother. Except when I let the browser enter the full screen mode, since most sites use a white background, then I can see a small area of the left bottom of the screen is a little whiter, which is not profound but kind of distracting though.
I've asked one friend of mine who used the 2012 rMBP and he said he have the same condition too... So now I really wonder whether it's a common issue as the advisor said. Please download this full black image, open it and go to the full screen (or presentation) mode. Turn off your light and increase the brightness of your screen if it's set too low. Then check whether you have the same issue with me. Thanks a lot!

Yes, I also have the same problem on my late 2013 rMBP. I've returned the model 4 times already due to various defects. Can anyone see the uneven white balance from left to right screen where left side looks more yellowish?Very disappointed at the quality of the screen. Looks like this is "normal." Should have purchased the New Samsung ATIV 9 instead.

Dark screen unless backlight turned on??

I previously owned an ipod mini and I didn't have to use the backlight feature unless I was in a dark room because the screen was still perfectly visible. With my new ipod nano 4th generation the screen is too dark to see at any time of day unless the backlight is on. Is there something wrong with my screen or is it supposed to be really dark to the point where you can't read it unless the backlight is on?
Thanks!!

Hello Pilsky,
I would be concerned too if the screen of my iPod nano remained dark. I recommend following the steps listed below.
These steps are for the iPod nano 6th generation. If you are using a different model of iPod nano, the only step that may be different is the step to reset the iPod. I have also included the article that includes to the steps to reset other iPod models, so be sure to reset your iPod according to that article:
Will not turn on or screen remains dark
Connect iPod to power for at least ten minutes to ensure that the battery has enough charge to allow iPod to turn on.
If iPod does not turn on after ten minutes, try resetting the device while it is still connected to power. Reset the iPod by holding down the Sleep/Wake button and the Volume Down button for at least eight seconds or until you see the Apple logo appear.
If the Apple logo appears on the display, connect iPod to a computer and verify that it appears in iTunes and can play music. If iPod appears in iTunes and can play music, no further troubleshooting is needed.
If the screen remains dark and will not turn on, then your iPod may need service.
iPod nano (6th generation): Hardware troubleshooting
http://support.apple.com/kb/ts3474
You can find the steps to reset alternate iPods here:
How to reset iPod
http://support.apple.com/kb/ht1320
Thank you for using Apple Support Communities.
Best,
Sheila M.

Screen black, backlight on, external on

Hi,
So I've been reading a similar forum only mine is slightly different. I have it hooked up to a 19" external display, and that works fine. The problem is when I disconnect from the display and use it as a laptop. Everything would be fine for some time (varies, between 5-20 minutes. Let's just say a random interval) and then all of the sudden the screen would go black. Backlight is still on though, and you can control the backlight. Caps lock and num lock keys light too. Processes going on. Just a dead screen. It comes back to life once in a while. But once in a while ain't gonna cut it for a $2000 computer, as we all know.
I have a university computer store I could take this too so I guess I'll have them look at any hardware issues. Meanwhile, could I do anything in terms of software fixes?
Toppo

Oh and one more thing I just found out: when I open the lid when it' on an external display, the screen is again black with only the backlight on. But then when I go to the display menus and click "detect display" the display on the macbook pro comes back to life for a little bit (again, varying for up to 5 minutes or so)
does this give a clue to anything? I realized that the display issue has been an ongoing thing for macbook pros ever since the update to 10.5.1.

Screen or backlight problem - washed-out colors, fuzzy white overlay

I've had my iPod for quite a long time now and have been living with this problem for at least a year. Some times, when I start using the iPod, the screen gets all washed-out with a fuzzy white overlay. It looks fine when the backlight turns off from not touching it, so I think the problem might be with the backlight. If I completely recharge the iPod, letting it fully turn off, the screen will usually come back to clarity. Also, if I leave it in the refrigerator for a while, that too will often solve the problem.
The fuzziness usually happens after having the iPod go to sleep - either from me pressing and holding the pause button, or from the songs being stopped or paused and the iPod not being used for a time. I don't recall, but it might also happen when playing if it's been playing for a fair time and the backlight has been off. It seems like, if the iPod goes into sleep mode when it is warm - room temperature or greater seems to do it - it's fuzzy the next time I start using it. Having it fix itself from being outside in the cold, in the refrigerator or in the basement seems to suggest it as being a heat-related problem.
So, what part do you think is causing this problem? A light? The screen? A chip or connection somewhere?
Are there others out there with this problem? It's rather upsetting, as I like to watch videos and play games on it but I can't rely on it having a clear screen.

All the things that my iPod has been through (in no particular order):
- Age; I've had the iPod pretty much since they came out
- Manufacturing problem or Firmware update bugs; I've survived a multitude of problems in the past (seemingly bricked being stuck in a loop of trying to turn on, the videos don't play video or sound problem, the not-recognised-by-iTunes problem, not being recognised by the iPod updater)
- Slight bending and pressure from by carrying it in my pants pockets (front and back) on occasion over the years
- Damage from being dropped on occasion
- Possible damage from being used in a hot, smokey environment for months
- Being exposed to heat or static from fuzzy jacket pockets
- Being exposed to heat from my waterbed
- Being exposed to cold over some very cold winter days
- Pressure and scratching from a plastic shell I bought to protect it, which turned out to be a very bad idea as it caused many scratches to the screen and may have been too tight as the lcd was showing distortion with it on
- Probably got some water on it a few times
Thinking back to when I first had this problem, the causes may be one of:
- Possible damage from being used in a hot, smokey environment for months
- Being exposed to heat or static from fuzzy jacket pockets
- Being exposed to cold over some very cold winter days
- Probably got some water on it a few times
- Age; I've had the iPod pretty much since they came out

Uneven backlight on Pre-LED MBP.

I have a pre-LED backlit MBP, I believe I purchased mine about 8 weeks before they came out. My MBP was new at the time I purchased it and was not a refurb. I have noticed when working with two word documents next to each other that the one on the right always appears to be slightly darker than the one on the left. This is causing me eye strain as it always feels slightly out of focus. I have tried switching focus to see if that changes the difference, but I see no change with the one on the right still being slightly darker. I have put a blank background on my desktop, a lighter grey, and notice that the right "half" appears to be slightly darker. It is not a straight down the middle appearance but more a large portion on the right half of the screen. Is there anything I can do to alleviate this problem? I have tried waiting for the display to warm up but this does not seem to help. As far as I can tell it is a backlighting problem, but I'm not completely sure.

Do you feel up to working on it yourself? If so, here is a good site to visit:
http://www.ifixit.com/Guide/
Often if the problem changes with moving the display, the problem is the cable which is routed through the hinge. It may be that a trace has broken, but will still make good contact in some positions.
I actually don't know if ifixit offers the cable as a separate part, but you should be able to see a picture of it. If you can extract the cable and find the break, you may be able to solder it back together and cover the repair with shrink tubing. You can also look on the PowerBook Medic site for stuff like this.
Reseating the cable means just unplugging it from the logic board and plugging it back in again. It's kind of the same thing you do when you are reseating RAM. If there is any corrosion which is making for a poor contact, unplugging the cable and then plugging it back in will allow some physical scraping which can result in a better contact.
The cable which goes from the main body of the computer to the display flexes every time the lid is opened and shut. So it is possible for the traces to work harden and break over time, which will then affect the display, as part or all of it may no longer be getting a good signal. If the position of the display makes a real difference, then I would suspect the cable.
Good luck!

APPS SHUTTING DOWN, BLACKS OUT, RECENTLY FELL AND HAS THE SCREEN UNEVEN

i got my g4 a year ago. recently i dropped it as i tripped on the stairs and now the screen is a tiny bit uneven with the keyboard area. also, i was told m startup disc was nearly full so i deleted many items or apps i didn't think i needed. anyways, it has recently been shuting down apps such as iphoto, aim is a big one, and many more. just last night i had finished working on a paper and went downstairs to eat. when i came back my screen was black and would not move. not one button would work-the audio acknowledging a button was pressed didnt even beep. i tried to press the power button multiple times but it did not work.
i decided to leave it over night in hopes that it would reset itself or something. it did not. i had to restart it which is terrible for me since i did not have the chance to save my paper.
why is all of this happening? is there anyway possible to get my paper back?
a little more info:
i never shut it off-always just put it to sleep
i use appleworks for my papers
apple has done NOTHING to help me with my probs whenever i send them "what i was doing when the problem occured"
what is the best way to deal with this?
g4 Mac OS X (10.4.8)

it just sorta started working again

Uneven backlight/yellowish tint

I own a 15 inch retina macbook pro (mid 2014 model) since 3 weeks.
After a few days, I noticed that the right part of my screen is 'darker' than the left part. Besides, it is also clearly more yellowish.
I don't know what to do now. I already read a lot of discussions where people stated that they had to return their macbook 4 times or more before the display problems were solved (there are even people out there whose problems never got fixed properly). A good friend of mine had to return his retina macbook (late 2013 version) for exactly the same display problem as I have. He has had 5 (!!!) replacement machines (totally new MacBooks, to be clear) and each and every time there was something wrong with the display. Either it was way to yellowish (which cannot be resolved by calibrating), or it was uneven backlit.
I have a combination of the two problems mentioned above and I'm really afraid it won't be fixed properly. This is a 2500 dollar machine, and yet many people are disappointed about its biggest selling point: the supposedly phenomenal screen.
Can anyone else relate to this problem? Someone who has experience with these problems?

Hi there Valentijn,
You may find the troubleshooting steps in the article below helpful.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/HT1573
-Griff W.

4S screen - uneven backlighting.

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