MacBook Pro :: Horizontal Line In Display?

Jun 21, 2010

i've got a little problem with my Mac Book Pro.

I have a white line in the display where I also have my dock. So it's not always on the same Display. You can see a few pictures attached that show you that this line is some kind of weird. Windows that are always in the front like "About my Mac" are over this line and if I open all windows of one program I get three of those lines.

The lines are here since I updated my MacBook to the newest firmware.

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MacBook Pro :: Horizontal Line Appearing On Retina Display

Sep 5, 2014

i recently bought a 13"retina display macbook pro. It is so disappointing. There is a horizontal line that appears on the screen and disappears. This was for the third time i had to face the same issue. When i explain to the staff at the apple store they say that they have not come across such issue, for which i showed a proof from the other part of the world.

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PowerPC :: Powerbook Display (horizontal Line)

Oct 16, 2008

when I woke my pbook up the screen had a horizontal line across it, and below that there is doubling and tripling of the screen image going on. Rebooting didn't accomplish anything and when I take a screenshot it doesn't show up there. I have a 12" Powerbook G4, running os 10.4.11.

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MacBook Pro :: Horizontal Line Across The Screen?

Sep 27, 2009

I have a new MacBook Pro (A1286) 2.66Ghz which is just over two weeks old. Whilst watching a video on YouTube a horizontal line appeared across the screen. I tried rebooting, however, the line was still present. I have tried switching between the 9400/9600 and the line is still visible.

The line is still there when I boot the laptop into Windows, does it look like I have a faulty GPU/logicboard on my brand new MacBook?

Here's a photo of the problem.


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MacBook :: Blue Horizontal Line On Screen?

Apr 23, 2012

blue horizontal line on screen?

MacBook, Mac OS X (10.6.8)

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MacBook Pro :: Horizontal Line In Full Screen Mode?

Mar 30, 2012

A horizontal line appears in any application (iTunes, VLC, Quicktime) when I enter full screen mode. Out of nowhere it appeared about 2 weeks ago. Not sure how to get rid of this or how it came about?

Macbook, Mac OS X (10.5.8)

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MacBook Air ::5 Dead Pixels In The Center And The Horizontal Line Options

Nov 20, 2008

Anyone think this is a good deal? I bought the Rev B, but had to return it because of 5 dead pixels in the center and the horizontal line issue. I am thinking of saving over $1,000 by getting the above. It is new/in box and from amazon. This is the best deal I have seen. It is even cheaper than the refurb models at

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OS X :: Dot Mark And Tiny Horizontal Line On Screen

Jul 6, 2010

I've just noticed two small marks in the lower right-hand corner of my iMac's screen: a tiny horizontal line to the right of a dot. I can see them when I restart the computer, but not when the wallpaper is on the screen. Clear Screen won't remove them, but they don't seem to be scratches either, partly because I can't feel them. Do you think they're dust specks or something like them tat somehow got behind the screen? I hope there's a safe way to remove them because I hate to see them.

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Intel Mac :: Horizontal Gray Line Across Screen?

May 21, 2012

This evening, quite suddenly, a gray (or black, depending on what's on the screen) vertical line has appeared across my imac screen, about a quarter of the way up from the bottom.  Above that are some are three, much lighter lines (more like subtle variations or blocks of colour running across the screen). These appear on all windows I open.  I took a screen shot using grab and the very definite gray line doesn't appear.

imac, Mac OS X (10.6.2)

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Desktops :: Short Horizontal Line On My PowerBook Screen / Fix It?

Nov 27, 2009

I have a Powerbook G4, and noticed a line (a thickness of a hairline) on my monitor displayed horizontally, about a length of 1/16 of an inch.

I know it's very tiny but I wanted to know what's causing this and if there's any way to fix it..

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MacBook Pro :: Beeps And Horizontal Bars In Display Of 201113"

Mar 13, 2012

I'm running 8GB RAM as I have been for several months now. I typically run several apps at a time for days at a time rarely dipping below 1GB available. When I do I use the Free Memory app to free up RAM.  

Minutes ago I left my MBP for a couple minutes to do something across the room. It began making single short beeps spaced a couple seconds apart. When I ran over to check out what was going on I noticed the display had 2-3 vertical stripes through it each containing dozens of horizontal colored bars. The beeps continued without stopping. The display was unusable for the duration. I could not tell if th keyboard or trackpad were responding so I chose ot reboot.  

After reboot it seemed fine and reopened all of the apps that had been running previously. Or is this a sign of specific hardware beginning to fail?

Mac OS X (10.7.3), Early 2011 MBP 13"

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MacBook Pro :: Display Is Frequently Horizontal Gray Lines Going Across Screen

Jul 1, 2014

my MacBook pro display that there are frequently horizontal grey lines going across my screen. I've noticed it mostly when the display color should be grey or white, but that's not always the case. It occurs mostly in my Google search bar using Firefox, and also occurs heavily on Facebook in the comments/reply section of a post. Outside of the browser I've also seen it when looking through some personal photos, especially of the sky, the lines will seem to sort of outline different contrasts in white or light tones, kind of like the Magic Wand tool would do in Photoshop. The lines do flicker and change when scrolling.I attempted to snap a photo with my iPhone the best I could. 

My specs:

-13" Macbook Pro (2009)
-Intel Core 2 Duo 2.26 GHz
-NVIDIA GeForce 9400M
-Resolution: 1280x800, 32-bit Color 

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MacBook Pro :: Small Thin Horizontal Lines On Screen Display

Sep 10, 2014

After 1 month there are small thin horizontal lines appear on my macbook pro screen. i never drop or bang or what so ever.

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MacBook Air :: How To Display Horizontal Column Count From Left Edge

Aug 24, 2014

Microsoft word for mac 2011 ver 14.4.3 

I need to see how many spaces from the left edge my cursor is.

MacBook Air, OS X Mavericks (10.9.4)

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MacBook Pro :: Monitor Display Not Working Fine / Horizontal Scan Lines And Black Out Occasionally

Jul 9, 2009

So I had a recently purchased 17" BTO with the 7200RPM drive that worked great, but with one issue - the display would have horizontal scan lines and black out occasionally. So I called up Apple and eventually managed to get a cross-ship set up(they let me hold on to my current unit, charge my credit card and send me a second brand new 17" unit as a replacement,and then refund me for the second 17" after I send back the defective unit).

Anyway, the replacement unit looks great, but with one issue - there's a very small light dent on the bottom panel(maybe about the size of a dime). I was annoyed but don't think this is worth having to exchange, since I could probably just unscrew the panel and pop it back into place.

However, what really got to me was the fact that my replacement unit was slightly louder than my original - my original is so silent that I can't even tell it's on. However, with my replacement unit, I can hear the hard drive spinning, which is slightly annoying.

Anyway, I proceeded to restore from a time machine backup and test my replacement unit when I noticed that it would occasionally get the hard drive click + beep + freeze issue that many others who have the 7200 RPM drive seem to be facing. It's extremely annoying, and more importantly I miss the complete silence of my older unit.

My question is, while I'm still in possession of both units(which both have the exact same specs, same 7200 RPM drive, etc.), should I simply just open both up and take the silent(good) hard drive from my old unit and put it into my new one?

The click+beep freeze issue is really pissing me off, and my old unit didn't suffer from it - it's just this replacement one(doesn't make any sense).Anyway, would notice if I switched the hard drive? Would I get screwed somehow? Do they keep track of the hard drive serials or something?

I really don't want to go through the pain of sending this back, especially considering that a LOT of people are suffering from this issue, and I don't want to end up with another defective drive. I'm sick and tired of games and just want a computer that WORKS.

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IMac :: Horizontal Lines On Display In Safari

Jul 30, 2010

There are a bunch of horizontal lines that're plaguing my iMac. What's causing this?

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Mac Pro :: Green Horizontal Lines On Display And Crashing

Aug 31, 2014

I have a 2007 Mac Pro 1,1 with attached 24" apple display and utilizing 5 GB Ram and maxed out on internal hard drives. It's been a flawless workhorse and I mostly tax it with Photoshop which it does well. Well, yesterday, I was viewing a small video on my Mac when this issue occurred. Suddenly I saw these squiggly looking horizontal lines on my display. Then I saw a spinning beach ball. I had to shut down.

I double checked my display cables in case any were loose - no issues. Restarted without issue. Went back to work on my computer - no issues doing ordinary tasks such as opening windows, moving files and surfing the internet. Went back into Photoshop and resized several dozen images without issue. Then, this happened again... restarted. Zapped PRAM just in case. Fired up Tech Tool Deluxe (older version 3.1.3) and it found NO problems, I passed all tests. 

Then... out of nowhere it crashed again, third time... I don't recall what I was doing to be honest. I shut down my Mac last night and this morning have spent an hour on and so far, so good. However, I'm not taxing it by doing anything intense. I need to use Photoshop for a project I'm working on so I will do that soon and see if this issue repeats. 

I've tried searching the forums but can't find anything conclusive to my specific issue. What else should I do? What else should I check? Is this hardware or a software issue? I have temperature monitor installed - should I be looking at specific temperature increases and if so, where? 

GPU going bad on logic board? This is a really close up image taken with my iphone, obviously the lines aren't this large.

Mac Pro, Mac OS X (10.6.8)

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Software :: Flashing Horizontal Flicker On EMac Display

Aug 25, 2008

I have an EMac G4 that has a number of problems, It is a 1.25gz. Sometimes it will boot to a blue, blank screen, on holding down the alt key I see the boot drive and I can start up (10.4os) but will go to the blue screen again. When it does start up properly, which it does for no apparent reason, there are little dash shaped spots on the screen and a flashing horizontal flicker. I ran fsck and disk utility and installed a fresh version of 10.4 to no avail. I do not have the original disks so cannot run hardware test. The computer falls under the Apple emac screen repair but they will not accept it because it is out of the three year time limit, very frustrating and unfair.

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Software :: Video Display Is All Blue With Horizontal Lines?

Jan 1, 2010

My iMac boots up (OSX 10.4) and when the desktop is about to appear the little spinning wheel start to get "fuzzy" (yes only the wheel), then when it's time for the desktop to appear the entire screen goes blue with horizontal lines across it. I can see nothing on the screen at all except that mess.

Weird thing is, if I boot using the install disc, everything is fine. he display never screws up. So I am guessing some file or something is corrupted in OSX?

I was going to do a restore, but since there have been some updates since I got it, I am worried about that whole process and not being able to get to my pictures and what not on the HD. The procedure where I can archive the current OS and reinstall the original seems like my next step.

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Intel Mac :: Occasionally There Are Random Horizontal Lines On Display?

Jun 14, 2012

Occasionally there are random horizontal lines on my display. Computer sometimes freezes or screen turns black requiring a hard restart.

iMac, Mac OS X (10.6.8)

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IMac :: Horizontal Lines Showing Constantly On 24" Display

Jan 27, 2009

I have a 2.8GHz Intel Core 2 Duo 24 inch iMac in may-june 2008. I bought it because I wanted to avoid the 20 inch display problems. Somehow I feel I ended up with the wrong side of the deal. Check the snapshot please:
The picture was taken using my iPhone so it's not exacty Cannon quality, but still, it describes my problem in 1000 words

What would you do in my place. Would you risk getting another one, maybe a crappier one? It is ludicrous that you take part in a russian lottery when buying a fairly expensive product like a Mac.

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MacBook Pro :: Green Line On Display

Mar 22, 2012

I recently bough a 2nd hand MacBook Pro off eBay & all has been fine until today when I was using it. Suddenly a green line appeared down the right hand side of the screen. I did a bot of research & people say it could be the GPU, but I know that this particular MBP has had the logic board replaced only last year. I'm not entirely sure what it is, but the line has now gone.

MacBookPro, Mac OS X (10.6.8)

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MacBook Pro :: Odd Line Appear On Black Screen Display

Jul 8, 2010

I have a core i7 MBP with the high res display, and when the display is showing black, a horizontal green line appears on the screen. It is only visible when the screen is showing black or another very very dark color, and the line is not visible with the screen off. It isnt something on the screen, as rubbing it does not affect it at all. I cannot post a screenshot of it, because it does not appear in the screenshot (it does on my screen, because the line is there physically, but on other monitors it is not visible).

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MacBook Pro :: White Line On The Top Of Retina Display?

Aug 23, 2014

I have noticed a white line (photo 1) on the top of my retina display (MacBook Pro 13" retina mid 2014) when I open the Launchpad. In other conditions the line seems to be absent. For example, if I run App Exposé (photo 2), I don't notice any line on the top of the screen. Is it a normal behavior for the retina display? Is it a hardware or software issue?   

MacBook Pro, Mac OS X (10.7.2)

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MacBook Pro :: White Vertical Line Down The Right Side Of Internal Display

Jun 21, 2014

I have a white vertical line down the right side of my internal brand new macbook pro 13" display. I've done the following:

-Shutdown the computer, and restarted in Safe Mode by pressing the Shift key after the restart tone

-Shutdown the computer, and restarted by pressing Command, Option, P & R after the restart tone

-Checked display resolution, Best for Retina

-Hooked it up to a Dell external monitor and via projection to screen. There are no lines on the external or secondary screens

-Just curious, I ran a color utility which can not repair 4 items, maybe this is another issue. 

This is a brand new Macbook Pro, just out of the box. It was fine for two days without any issues, fine last night while in use, opened it up this morning with the line.

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Windows On Mac :: 27" Display Issue Under Windows 7/256 Distinct Shades In Each Horizontal Bar

Jan 4, 2010

Under Windows 7, if I go to the following URL, I see a MAJOR problem:


There is something like 256 distinct shades in each horizontal bar. NOTHING MORE.

If I simply drag my web browser over to my second monitor, a 28" 1920x1200 monitor hooked to the mini displayport, it displays PERFECT gradients.

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OS X :: Fuzzy White Line Through MBP Display?

Jul 21, 2010

I actually don't know how long I've had this problem, as I just sort of noticed it one day (it's not all that readily apparent). The title of this thread basically says it all. There's a "fuzzy," thin white(ish)/translucent band that stretches horizontally across my 15'' glossy MacBook Pro display (purchased in early 2010, so I guess it's considered a mid 2009 model), about an inch up from the bottom of the bezel. It's only super noticeable on top of relatively neutral colors. I'm quite certain that it's a hardware issue, as it doesn't appear in screenshots. I've attached a photograph to this thread so you can see it for yourself.. the band I'm talking about is just above the mouse pointer (and clearly my dock is hidden so you can see it easier). If there are any hardware savvy people here, I'd be most appreciative if you could clue me in to the exact nature of the problem, and whether or not you think I could fix it myself... I think my basic 1 year warranty is still good, but I haven't decided if the problem is worth living without my mac for a few days (or weeks? this is my first apple computer, so I don't know how long repairs typically take).

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Intel Mac :: Vertical Ant Line Across Display

Apr 19, 2012

I started noticing what I describe as ant-lines running vertically across my late 2009 27" iMac. I am fairly certain that they were not there before but I can't really remember. I did a search and found some discussions regrading video issues and vertical line anomalies but none like what I am seeing. url...It's noticable from a distance of about 2 feet and closer. It's not visible on white or black but midtones is where I see it. It gets really distracting at about 20" and closer, especially in iPhoto when scrolling through photos.Has anyone else seen anything like this and do you guys think I will have any luck getting something like this fixed with a Genius appointment? I do still have AppleCare.

iMac i7 27, Mac OS X (10.7.2)

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Intel Mac :: Blue Line On My Display

Jun 22, 2012

Four days ago a vertical blue line appeared on my display.

Info:iMac (21.5-inch Mid 2010), Mac OS X (10.7.4)

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IMac :: Display Has Yellow Vertical Line?

Mar 30, 2009

I have a 1.83 GHz Intel Core 2 Duo iMac that has developed a vertical yellow line in the display that won't go away even when restarted. It's like a 1 pixel column of dead pixels right in the middle of the screen. I think it's still under warranty. Is this something that can be fixed under the warranty?

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