How to fix thin red line on my mac screen

How do i fix a thin red line on the screen of my macboo pro?

Take the system to Apple and have them change the screen. It is a screen hardware problem and the only way to fix it is to change the screen, bad one for new good one.

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Why after updating did a red line appeared on my screen

after updating a thin red line appeared on my screen and i cant get rid of it , anyone else had this problem and how do i fix it ??

You may have to take the computer to the Apple store to have it checked out
as soon as possible.
Best.

HT4044 I have a thin red line on my screen how can I remove it?

I have a thin red line down my screen how can I remove it ?

Have you tried this?
Reset the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.

Thin red line on my monitor

A thin red line has appeared on my monitor

Take the system to Apple and have them change the screen. It is a screen hardware problem and the only way to fix it is to change the screen, bad one for new good one.

How do you fix a fine line scrolling on the screen of all apps ex wallpaper, email,safari,word?

How do you fix a fine line scrolling on all screens - ex wallpaper,email,safari,word etc?

You may have a hardware problem, however I'd start by restarting in Safe Mode and if that doesn't fix it I'd recommend running Apple Hardware Test in Extended Mode about 2-3 times to see if any errors come up.

, 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

The Thin Red Line

What is the thin red line i see at the bottom of my viewer from time to time? I think it's something to do with Audio but i'm not sure.

chances are you've accidentally created split edit points...
pressing Ctrl-I or Ctrl-O creates a Video In or Out
pressing Cmd-Opt-I or Cmd-Opt-O creates an Audio In or Out
the line you'd be seeing then would be the link between the separated (split) audio and video in points and/or the audio and video out points
try choosing Mark > Clear Split (or just press the usual Opt-X, to clear all marks)
see if that helps
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edit: heres a old but still relevant tutorial about splits hosted on the ever remarkable Ken Stone website: http://www.kenstone.net/fcphomepage/splitedit.html

Thin red line treatment

Thin red line treatment when adding title. Playback slows to a crawl and I can't sync. No obvious incompatiblties. Using Vista with dual core Athon - 3 GB ram. Any ideas anyone?

That's fine. It is PRE's way of telling you that you have adjusted a clip. If playback is jerky you can press [Enter] and PRE will render the timeline for a smoother preview. If you have lots of red lines and only want to render a small piece then set the WorkAreaBar to cover just that piece.
Note that none of this is necessary and it makes no difference to your final output as PRE always renders the entire timeline during the Share process.
Cheers,
Neale
Insanity is hereditary, you get it from your children

Thin Red Line

Hair pulling time.
About a month ago I got a new 27 inch imac. Sorry to say it 'played up' from the beginning, and had to go back to where I brought it. They replaced a faulty hard drive and a faulty memory card. Seemed fine when I got it back on Friday.
Until tonight. I was watching the BBC online player and noticed thin red lines moving with the action on the screen. Difficult to describe but my wife said it looked like one of the effects you'd find on a 1980's MTV video, though a little more creative.
Thought it might be the player, so I tried some MP4s & MV4s. Same red lines. Looking closely you can see them on the desktop pic as well.
Rebooted. No lines. But something's obviously not right, any ideas? I'll get back on to the Apple supplier tomorrow, but it's always good to have some suggestions from the people on here.
The best thing would be for them to give me a new machine, but apparently apple only repair if ten days have passed from original purchase. That's what I'm told anyway.
Thanks.

cstrav wrote:
Looking closely you can see them on the desktop pic as well.
Rebooted. No lines. But something's obviously not right, any ideas?
It could be the first sign of a bad graphics card, or it could be nothing. If it is the graphics card it will get progressively worse. You're on warranty for a while so no need to leap on it. If it's gone now that's good.
EDIT: It coud also be the RAM, even though they replaced it, it may not be properly seated.
Download and run Rember to test your RAM.

How to fix blue horizontal lines on imac

Help me,,,
how to fix blue horizontal lines on my imac screen

Take it to an Apple store genius bar and have it tested...a year ago there were several posts about vertical lines, sometimes blue, sometimes yellow, sometimes pink and mixtures...in every case it turned out to be due to failure of a graphics module chip. The Apple techs were able to replace the chip (the user cannot even think of doing that) for a price significantly less than a new logic board.
So, take it in and have it tested.

Help - ipod shows red lines and displays white screen?

This is the 3rd Ipod Touch, 4th Generation, I've had in 2 years. Something has been wrong with each one of them. The one I have now is only 2 months old and unfortunately my Apple Care Warranty has expired, last month. I was not allowed to purchase a new Apple Care warranty for the new Ipod, so basically I am stuck with another "lemon". Here's the problem, this time.
My Ipod shows 2 thin red lines which extend half way across the screen from left to right, upper left corner when holding Ipod vertically. sometimes when turning the Ipod on, the screen is almost all white and I can barely see the time and "slide to unlock". It always happens when I plug into power. Also, the red lines flash bright white at times and then extend across the entire screen. If I take a picture of it, (holding down power and home buttons) it looks normal.
Has anyone else had such a problem? Can anyone suggest a solution? I'd like to take this to Apple and say, "What the heck?" Is it policy to replace a defective product with one that they wouldn't sell in their store but is OK to give as a replacement? I love my Ipod Touch, but this is extemely frustrating!
IPod Touch, 4th Generation, IOS 6.0.1

I have not seen that problem here before. Likely a hardware bproblem but
Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
iOS: How to back up your data and set up as a new device
- Make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar
I'd like to take this to Apple and say, "What the heck?"
Do that but nicely
Is it policy to replace a defective product with one that they wouldn't sell in their store but is OK to give as a replacement?
No. The replacment is a refurbished one that should work like new.

Equium M40X: red lines running across the screen

I seem to be getting red lines running across my screen( from top to bottom) as i move my mouse.any idea whats wrong. ie is it the screen or something else.
i however connected it to a monitor and got the same problem so am presuming my screen fine.
maybe my graphic.and if so anybody with a solution or will i just have to dismantle it..
thanks

Does this happen as Windows boots up or during the desktop??
It sounds like you graphics processor is defected to be honest I would only expect this problem to occur with LCD screens but as you said it happens using the external monitor.
Try changing your display modes to see if this has made any difference.
Richard S.

TS1412 any ideas about how to fix an iPod Nano with a white screen??

any ideas about how to fix an iPod Nano with a white screen??

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

I have a thin horizontal line running across my screen about 1/4 of the way from the bottom of the monitor. Why is it there and how do I get rid of it?

There is a thin horizontal line running across the width of my screen about 1/4 of the way from the bottom. This line, along with an occasional vertical line about a 1/3 of the way from the right side of my monitor, started appearing about 7 days ago. Usually the line would disappear after a restart but now it seems intent on staying. Does anyone know what is going on and how can I resolve this?

Contact Apple's Support, formerly Apple Express Lane.

Why do I have a thin blue line running down the screen?

There is a thin blue line running vertically down my imac screen a little to the right of the centre. It disappeared for a while - i think after I tapped a certain key - but then re-appeared and will not go away. What is it? How do I get rid of it? Mark

Sounds like a problem with the display. Contact your local Apple Store or AASP and make an appointment to have the display looked at. > Apple - Support - iMac - Service FAQ

How to fix thin red line on my mac screen

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