Thin line appeared on 5k iMac 27'

I Have a thin line that appeared overnight on my iMac 27' 5k.
Approx 2 months old. Any ideas what this may be. It's on every page even on the black restart screen.

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A red horizontal line appear on my imac

2 days ago after i oke up, a red horizontal line appear at my iMac....try resetting still red line appear....any idead to to remove this?

Contact Apple Service, iMac Service or Apple's Express Lane. Do note that if you have AppleCare's protection plan and you're within 50 miles (80 KM) of an Apple repair station, you're eligible for onsite repair since yours is a desktop machine.

Thin lines appear after flattening PDFs

Hello,
Whether we export a layout using one of the PDF/X standards or tell Acrobat Pro to flatten afterwards, the file appears to have thin white lines bordering all the previously semi-transparent areas. Upon zooming in as close as possible, these lines appear to be very negligibly thin and thus not likely to appear in print. However, this of course makes the PDF unusable except for printing (it looks bad at normal zoom with all these random boxes).
Is this normal behavior or should we be choosing another PDF preset or PDF exporting method? Has anyone had any problems with commercial printers showing these artifact lines?
thanks,
JP

The flattener creates what is referred to as "atomic regions" as part of the flattening process...basically it divides the content up, creating or maintaing vector objects and rasters as needed. After flattening, these "artifact" lines are sometimes visible at those atomic region boundaries if, in Preferences under Page Display > Rendering > Smooth Line Art is turned on. This setting has a tendency to exaggerate those lines, which is what you are seeing. When printed they should not be visible.
Can the files be saved as PDF/X4 which supports live transparency? Keeping the transparency live should also mean a smaller file size than a flattened file.

Thin lines appears somtimes in macbook air

HI
I just bough Macbook Air 2013 2 weeks ago
and i am expesiencing some thin line horizental appearig in my screen for a fraction of a second ...
it have happned 5-6 time now.. is somting propblem with hardware ?
please help
its Macbook Air with 8 Gb RAM and i7

You can return a new Mac within 14 days of purchase.
A new Mac is in warranty for 1 year from the date of purchase.
A new Mac comes with 90 days of free tech support from AppleCare.
AppleCare: 1-800-275-2273
Call AppleCare.
Resetting PRAM may help.
Reset PRAM. http://support.apple.com/kb/PH4405
Best.

In PDF, white thin hairline appears

In PDF, white thin line appears around the text, i want to remove those lines?
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Thanks, we checked those option as well but result same.
We need to create swf from PDF, after converting those PDF thin white line appears in swf (as like in PDF), we don't need those lines. Kindly help us how to avoid these
Note: white line apears wherever the text frame placed in indeisgn.
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I have Windows Vista and have tried everything! My Ipod Touch has Malfunctioned and cannot be recognized by Windows or Itunes! When I turn my Ipod on the white apple comes on and the 15 seconds or so after that a thin line comes on the screen above it.

A thin line appears above the logo then the loading sign pops up and then the whole thing freezes! I read somewhere to hold the home button and then plug in the usb will help it be recognized by Itunes or help to restore it! I tried that it didn't work.I tried uninstalling Itunes and then re-installing it. I have the newest version of Itunes and don't know what else is left to do? can someone please help?
Thank you for reading!

Try placing the iPod in recovery mode (I think that is what you were try to do) and then try to restore the iPod. For recovery mode see:
iPhone and iPod touch: Unable to update or restore

White line appears on macbook pro retina

When i minimized windows the white thin line appears on the screen. The line disappear right away.
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How can i solve this problem ?
I got my macbook late Sept 2013.

Take a picture of the phenomenon and then make an appointment at an Apple store genius bar. Presumably your MBP is still in the warranty period and have the technicians evaluate and fix the problem. Use the picture as evidence so they fully understand what the problem is.
Ciao.

The right side of the screen of my MacBook Air a yellow line appears very thin and dotted. What can I do to eliminate it?

The right side of the screen of my MacBook Air a yellow line appears very thin and dotted. What can I do to eliminate it? Marco

Reset PRAM. http://support.apple.com/kb/PH4405
If this does not help, contact Apple.
Best.

Blue thin line on the lower left iMac G4 Flat Panel

Hi, since yesterday there is a blue thin line (0,039 inches (1 mm) thin; 35 inches (9 cm) long on the panel of my iMac G4 Flat Panel. It looks like drawing with a ruler, so straight and so fine.
The line is on the left lower corner in a vertical position. At first I thought these are dead pixels, but I checked this. No dead pixels. I have changed the desktop picture etc., but it`s all the same. I run the apple hardware-test cd - no problems found. Is there someone with any idea? Is it possible to have a damaged graphics- chip although the hardware-test is o.k.?
Does it make sense to open the iMac and look for dust and dirt on the motherboard?
Thank you for any help, Matse
iMac G4 Mac OS X (10.4.4)

Matse,Willkommen zu den
Diskussionen,
What happens if you change the
display resolution? (Apple Menu > System
Preferences... > Displays > Display tab >
Resolutions) If the line stays in exactly the same
place despite the resolution change this points to an
LCD rather than graphics card issue.
mrtotes
thank you Adam for that hint. The line stays exactly in the same place. That means it is an LCD issue? That´s your opinion? Do you have any idea if it is possible to repair it, or is the only possibility to change the panel?
Thank you, Matse

When I print a 4x6 color picture using an iMac with the latest operating system using a Canon MX892 printer, faint black lines appear every 3/16 of an inch. When I print the same picture using iPhoto there is no problem.

When I print a 4x6 color picture using an iMac with the latest operating system using a Canon MX892 printer, faint black lines appear every 3/16 of an inch. When I print the same picture using iPhoto there is no problem. Any suggestions?

What is the resolution of the picture that you are trying to print?
Go to Image>resize>image size, read the resolution in px/in, then report back, please.
Also, are you in a position to try printing with another printer in an attempt to narrow this down?

, I have a thin blue line appearing on my screen that wasn't there before - what is it and how do I get rid of it?

I have a thin blue line appearing on my screen that wasn't there before - what is it and how do I get rid of it?

Welcome to Apple Support Communities
They are probably dead pixels or a signal of damaged GPU. If you can, connect an external display and see if the issue appears here.
In both cases, I suggest you to take it to an Apple Store or reseller. It doesn't look as a software issue, and your display or GPU have to be replaced

On start up green vertical lines appear and then the become spots and imac freezes

on start up green vertical lines appear and then they become spots covering entire screen and imac freezes, does not start. I need to do a safe boot to open the imac 2009

Unfortunately this sounds like a hardware failure. Run Apple Hardware Test in extended modeat least 2-3 times back to back. If errors appear then you have confirmed my suspicion. However if no errors appear unfortunatelyyou are not out of the woods l yet because AHT is not the more reliable test. If you do know know how to run AHT please refer to:
support.apple.com/kb/ht1509

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I have an imac, intel 2 duo. OS 10.6.8. Suddenly my desktop is showing two thin lines running from top to bottom, each about 2" from either side. How can I get rid of them?

I have an imac, intel 2 duo. OS 10.6.8. Suddenly my desktop is showing two thin lines running from top to bottom, each about 2" from either side. How can I get rid ofthem?

That's strange...
Resetting PRAM might help: http://docs.info.apple.com/article.html?artnum=2238
If that doesn't help, I'd recommend contacting AppleCare.
it seem to be lcd problem

Thin vertical lines appearing on screen, since wakeup from sleep mode.

My Mac G5, 2GHz, DVD-R, 1GB DDR RAM, OSX 10.4.10, ATI RADEON X800 XT has recently developed a display issue. On start-up the screen shows vertical lines across the entire screen. The colors of theses lines is varying from green to black, depending of the background color. The lines are appearing from the grey loading screen and when a profile is logged in.
Shutting down and restarting doesn't cure the problem, nor does staring in safe mode nor starting up from an install CD. I also tried re-installing the operating system, but I get the same result. I tried another monitor but I also get the lines on screen. I verified all the cables and that the graphic card is well in place in the pci slot.
If I change the resolution, I also get thoses lines but they change place on screen. Also, if I set the colors level to 256 colors, I get very little single lines but If I set the color level to the highest (36,7 Millions), the lines appears in group of 5+ and are all over the screen.
I tried taking a screenshot using the shortcut cmd-shift-3 and I can see the line in the pictures. Also, if I take a screenshot of a window that is behind the window in the front ( using cmd-shift-4-space ), I dont see the line on the screen shot.
I started to have this problem when my mac was woke up from sleep mode and the problem has persisted since then.
I guess my problem is the graphic card but I would like an external opinion before I got buy another one.
Thanks

Any new results?
I'm having the same issue. Looks like this, but at a slight angle and different RGB colors (almost like JPG artifacting).
Started this evening after a cold boot. I just put my X800 XT Mac G5 edition in 2 weeks ago. No real heavy use either, as I've been gone for a week.
Looks to me like bad VRAM (according to TechTool Deluxe). I'm running the AHT now and will hopefully come to a final conclusion soon. I did test my 20" Apple monitor (DVI) with my laptop and there was no problem...so it is definitely the video card. Not sure if the aforementioned ATI ROM extender will fix it or not.
Much luck to all of us who are having this problem.

Thin line appeared on 5k iMac 27'

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