Thin blue line on Iphone 5 screen

Was wondering if anybody has any ideas as to why I would have a very thin blue line, running about three quarters of the way up my screen, about half a cm from the left. It's only noticable when the screen has a white background. Otherwise the phone is in perfect working order and is just over a year old. Any help would be greatly appreciated.

Hello there, SuePop.
The following Knowledge Base article gives us a few recommendations for troubleshooting issues with your display:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
Display image issues
This can include bright or dark pixels, lines in video, or sections of video missing.
Try turning iPhone off and then on again.
Verify the issue is not content related, by viewing different content.
If the image is too dark, adjust the brightness. In General Settings choose Brightness and Wallpaperand slide the slider.
If the issue persists, there are recommendations at the end of the article as well:
My issue is still not resolved. What do I do next?
Contact Apple Support.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

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A: is it in all screens or just Chrome (unlikely)?
B: reset SMC
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
C: Your LCD is highly likely NOT broken rather a signal feed hardware issue in the monitor cable that travels thru the hinge from the logic board.
D: make a screenshot and verify if the screenshot shows the same or not.
E: the LED backlighting is showing thru implying, of course, that the LCD feed for that vertical line is not being fed.
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At which point make appt. with Apple for diagnostic / service

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Hi, Honeyatapple.
Thank you for visiting Apple Support Communities.
Before processing any of these steps, make sure to backup your data.
iOS: How to back up and restore your content
http://support.apple.com/kb/HT1766
I would start with processing the steps for display issues in the link below.
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http://support.apple.com/kb/TS2802
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http://support.apple.com/kb/HT1414
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Hi.
Today I woke up to see a thin blue line on my iPhone 4S screen.
I did not drop my phone, nor did I even charge it over night. I just left it on.
The blue line looks like this:
(I recreated the image, since it doesn't appear if I take a screenshot, meaning this is a screen problem.)
I have tried restarting my phone, but that hasn't helped. The line appears all the time, no matter if I'm in an app or looking at the home screen.
I'm not sure how this happened, as it just appeared all of a sudden, but I'm wondering if anyone knows a fix for this?
My warranty for my phone has run out, unfortunately. =/
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You will not lose any data by resetting, but it can cure some glitches.
If this does not help,and to rule out a software problem, setting it up as new device would be the next step:
Use iTunes to restore your iOS device to factory settings - Apple Support
If still no luck, the phone needs to be serviced, but since Apple does not offer to replace the screen for an iPhone 4s, you would have to pay the service fee to replace the whole device.
Out-of-warranty repair service
If your repair isn’t covered by Apple’s One Year Limited Warranty, AppleCare+, or AppleCare Protection Plan, your iPhone might be eligible for out-of-warranty service. For example, liquid damage isn’t covered by warranty but might be eligible for out-of-warranty service. Some damage isn’t eligible at all, for example if your device has been broken into multiple pieces. See Apple’s Repair Terms and Conditions for complete details.
Read Apple’s Repair Terms and Conditions
Model
Out-of-warranty service fee
Battery service*
iPhone 6 Plus
$329
$79
*available only if battery
fails Apple’s diagnostic test
iPhone 6
$299
iPhone 5s, iPhone 5c, iPhone 5
$269
iPhone 4s
$199
iPhone 4, iPhone 3GS, iPhone 3G,
Original iPhone
$149
Plus a $6.95 shipping fee, if required. Fees are in USD and exclude local tax. Pricing is for service through Apple. The final service fee we charge will be determined during testing and may be less than the service fee listed above. Pricing and terms vary for service through an Apple Authorized Service Provider.
copied from Service Answer Center - iPhone

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Welcome to Apple Support Communities
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Use iTunes to restore your iOS device to factory settings - Apple Support
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iPhone - Contact Support - Apple Support
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http://discussions.apple.com/category.jspa?categoryID=189
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maahes wrote:
did so now, only now I'm getting a slightly different error: could not find udevd no such file or directory. I checked both grub.cfg's and my mkinitcpio.conf and there's no listing for udevd ....which I've never heard of, so I assumed it was a typo?
For clarification: udev is in the mkinitcpio.
I'm not sure whether I yet have a good intuition for how you have your machine set up, but I suspect you need to include a cryptdevice flag to the kernel in your grub config. The file isn't found because the kernel doesn't know your root directory needs decrypting first.
My setup is an LVM over LUKS over LVM sandwich. To boot into my system, the grub.cfg contains the line:
linux /vmlinuz-linux root=/dev/mapper/cryptvg-root cryptdevice=/dev/mapper/vg-crypt:root rootfstype=ext4 pcie_aspm=force acpi_osi=Linux acpi_backlight=vendor i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 ro
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why is there a blue line on my screen?

Please post a screen shot of your display. It will help to determine what needs to be done.
Ciao.

Thin blue line on Iphone 5 screen

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