Software :: MBP Keeps Freezing - Vertical Bars Appear Across Screen
Jul 11, 2009
I'm using a MacBook Pro which was bought in 2007 and running the old OS X (i.e. the one before Leopard just because I've been lazy and haven't upgraded). My MacBook Pro has recently (as in the last few days) started freezing up. I'll be using it normally and all of a sudden it will just freeze and these strange shaded vertical bars appear across the screen. I then hold down the power button and reset it only to get a screen saying, "You need to restart your computer etc." I then restart the system and normally get this screen again a few times (infuriating) or I boot it in safe mode holding down the 'shift' key. I've run 'verify disk' as well as 'repair disk permissions'. I've also got a mate to check it and load it into Mac's version of 'DOS' and rebook it from there. He said he doesn't understand why I'm having any problems.
I've got a heap of disk space so it should be that. It was working fine all yesterday, and just again today has thrown in the towel on me again. Basically, does anyone have any idea what could be going wrong? I'm not putting it under any stress (i.e. demanding programs) and the freezing has been randomly occurring when I'm web browsing/watching YouTube or using Excel/Word. Should I backup my music, photos and essential documents and just wipe the thing clean and start over? I don't really want to do this as will mean I have the expense of getting an external hard drive and all that. I haven't changed anything or downloaded any programs recently that I can think would be causing these problems.
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May 26, 2010
I have had my Laptop for over 3 years now and with really no significant problems. A couple of days ago though, my laptop display got 3 vertical black/white/black bars on the right third of the screen and I am just curious if it is dying. I am connected to an external display and it's been awhile like this, but it makes it impossible to use as a laptop anymore.
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Jan 7, 2008
There are fuzzy vertical bars on my ibook g3 LCD screen? Is there anyway to fix this problem without replacing the logic board?
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Mar 7, 2009
Twice in the last couple of days, these white and gray vertical bars/lines would appear on my IMAC screen. In between those times, my screen just went black, but I can tell the IMAC was still on, because it wasn't a pitch black as if the computer was off. Each time, the only way I could get the screen to appear back to normal was to turn off the computer and turn it back on?
This is not good. This is my second MAC. The first one after a year and a half, just poofed up in smoke. (Seriously, that is exactly what happened. I was sitting there, and all of a sudden the screen went black and a puff of smoke appeared from the back.) And now after owning this second one for almost two years, I've suddenly started getting these vertical white and gray bars and the black screen.
Anyone have any idea? I was simply looking up info on a website when these events happened.
Intel Core 2 Duo/ MAC OS X 10.6.3
Information:
IMAC
Mac OS X (10.6.3)
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Mar 1, 2012
When I turn on my iMac the apple logo appears behind what looks like jail bars then a dark shade rolls down the screen then tiny squares appear all over screen with error message to restart if it fails to restart manually, which it does. Cannot get past this point.Tried command R to no avail.
Info:
iMac (27-inch Mid 2011), iOS 5.0.1
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Jun 15, 2012
I just came inside after being outside for about 6 hours. When I opened my shell, there was no screen light-up, no keyboard lights, etc. I had already plugged into my power adapter and external hard drives (just as I always do). I punched keys, tried to use the trackpad - nothing. So I hit the power button for a few seconds. My screen came up seriously grayed out with 'indicator bars' (such as the ones that control brightness, sort of, but larger) at the bottom of my screen. Once they al went on, from left to right, my computer was awakened from it's normal sleep mode.
Info:
Mac OS X (10.7.4), 16 GB RAM, 512 GB SSD
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Nov 30, 2014
grey screen no apple followed by blue screen with vertical lines. Graphics and logic board replaced <6 months ago. What to do? I held down shift, it gets HOT HOT and makes noises. (for safety mode) followed by a blank grey screen and blue screen. Then tried the other way (I think it's command alt delete? I don't remember) and it turned from grey (no apple symbol) to blue blank. Then third time, grey followed by blue with vertical lines, not blocky clear lines that you can see if you are close to it.
Info:
MacBook Pro, OS Lion
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May 15, 2012
what is wrong with my 15-inch macbook pro, the only thing i did was installing 8 gb RAM, and suddenly out of nowhere my mac freezes and shows red bars and the white light is flashing while and alarm beeps
Info:MacBookPro, iOS 5.1.1, 15-inch 8GB RAM I7
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Nov 23, 2009
Have had this macbook for just over a week, purchased off original owner who bought in Feb this year with Applecare warranty. Upgraded ram immediately to a G.Skill 4Gb kit. 4 days ago, computer randomly froze with horizontal coloured bar. Called Apple next day, the guy there told me that sometimes this happens, and that I should only be worried if this occurs ago. 4 days later, we are at this present scenario: In the last hour or so, has crashed 3 times. Programs running in common were iTunes and Safari.
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Jun 4, 2008
I have a macbook pro (2.0 CD) running 10.5.3 my problem is that a few times a day, a bar or line appears on my screen with random color pixels. They go away after a few minutes or if they appear on the desktop, a simple killall Finder command clears them away. Sometimes they appear on apps and will minimize/maximize with them. They also appear on the menubar quite frequently. I have restarted many times, but eventually they always come back. This has been happening since at least 10.5.2 has anyone ever experienced this or know what is causing it?
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Apr 29, 2010
Ok, I've noticed this week that my 2010 13" MBP hangs a lot when it plays any videos I've bought off of itunes (it's fine with other videos). I mean anytime a itunes video pops up on my itunes player, the whole computer hangs (beachball of death and can't do anything). And it hangs for quite a bit (haven't timed it but a minute maybe?)
At first I thought it was the graphics card as the first time I realized what was causing my computer to randomly freeze up (it's been starting to do that this week but at first wasn't sure what cause itunes was in the background) it gave the wierd color bars on the video screen for the video it was playing (I have itunes play the video in the small box on the left bottom corner). Like the whole video screen was random fubar color bars and not the video (it took a minute and then eventually played fine after me reclicking the video). It has not done that since.
I played around with it and noticed it seems fine when I play videos I have not bought off of itunes but it reliabley hangs the whole computer when I try to play a video bought off of itunes. It eventually plays but it is really annoying particularly cause it holds up my whole computer until it resolves whatever issue it is.
So, hardware or software and any suggestions if it is software on how to fix it?
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Oct 14, 2010
I'm considering buying/making a stand for my MBP but have limited desk space, so what I ideally want is a stand which will hold my laptop, fully opened, with its screen completely vertical against, say, the wall behind my desk. If this is hard to imagine, think of it this way: say you're looking at the laptop from the right hand side, in it's normal open position it makes a kind of '9-o-clock' shape with the screen perfectly vertical and the keys perfectly horizontal. I'm looking for more of a '7-o-clock' but where the screen is raised to eye level, whilst still perfectly vertical
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Jan 6, 2011
i have an intel based 17" White imac.
it has over the weeks had and increasing number of vertical white lines appearing on the screen.
does any one have any idea of what is causing the problem, and the solution?
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Nov 9, 2009
For the past few days, my screen has been going in and out of being entirely covered by 1px white lines that occasionally flicker blue or something. Like, when I'm typing (as I am now) if the window is positioned one pixel off, the blinking cursor won't appear (and on my black screensaver, it looks more like it's white/light grey because literally every other 1px line is white). Well, this morning it got weird again, but it hasn't gone back to normal!
I have a Mid-2007 Santa Rosa Macbook Pro, 2.4 Ghz Core 2 Duo- LED Screen, backlight works fine and if I turn it completely down ('off') the problem persists. I have Boot Camp installed, and the problem persists when booting into Windows as well.
I looked around and tried a few fixes to no avail (slept the screen, reset the PRAM, messed with the resolution a bit).
I took a screenshot and everything shows up normal. I had to finish a paper I was working on, and the screen was getting unbearable, so I tried plugging it into a mate's external lcd and the image came up completely fine, no vertical lines!
So, what could this be, and what could I do to fix it? Could this be the infamous problem with the Nvidia 8600GT M graphics card- so would I have to get the logic board repaired!? (UGH I hope not) Could it just be a connection issue? I did install a new hard drive, a new stick of memory, and Leopard, but that was months ago! Anything else I might be missing? and I hope this problem isn't too serious!
P.S.-on a side-note, has anybody done the upgrade to the latest firmware for the fans (SMC something)? Should I give that a try (or should I do it anyway, regardless of whether it could help)? When it was released, I heard of some bad experiences, so I stayed away.
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Aug 1, 2009
Started with 1, now there are 27 vertical lines on the screen - this interferes with photos and is unbelievably annoying. How do I get rid of them?
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Apr 5, 2012
There is a vertical line that runs from the top to the bottom of my screen. How do I get rid of it?
Info:
iMac, Mac OS X (10.6.8)
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Apr 8, 2012
Whenever I watch videos or anything that moves I will see a line going through the video. Its not very visible, But its still there. Some say it could be a virus, others say hardware problems.
Info:
iMac, Mac OS X (10.7.3)
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May 7, 2012
vertical lines on screen?
Info:
iPad 2, iOS 4.3.2, I use QuickOffice & Dropbox
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Jun 23, 2012
Vertical lines appearing on screen started with one now have 4 . Is this bad?
Info:
iMac, Mac OS X (10.6.4)
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Jun 4, 2014
Red vertical strip appaear on my Mcbook Pro Retina display. How Can I fix it? I have three year warranty.
Info:
MacBook Pro with Retina display, iOS 7.1.1
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Sep 26, 2010
I have a vertical line that appears on my screen and it's happened before. I took a screenshot but it doesn't appear? The last time this happened, it was fixed for free but I'm wondering if this is a common issue or is something wrong with my model? Version 10.6.4
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Oct 6, 2010
Hi I'm connecting an external monitor to my macbook pro and am experiencing regular vertical lines throughout the external screen. I've tried DVI-D and VGA. I've tried changing resolutions. I have taken a screen shot of the monitor but this screen shot shows a clear image. Attached is a picture of what it looks like. Hard to spot as taken with my isight. (Ignore the cable hanging down).
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Jul 25, 2009
Specs:
2007 MBP, using a clear hard Speck case
15 inch
4mb RAM
160gb HD, 650gb external HD
I've had it sent into Apple once for the horizontal flashing lines, but these are new... it's like a gray vertically striped film covers the whole screen, and unlike the horizontal lines, shaking/hitting the screen does not help.
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Sep 16, 2009
After installing Snow Leopard, I noticed that when I select a web page from the Safari startup grid (medium 6 web pages), the screen turns white with many vertical lines. This lasts for approximately 4-5 seconds before the web page loads. Any suggestions on how to fix this problem?
Imac - Processor 3.06 Ghz Intel Core 2 Duo
4 GB Memory
Safari 4.03.
ATI Radeon HD 4850
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Mar 13, 2010
My MacBookPro 15" 5.3 worked fine until today, All the blacks (rgb 0,0,0) on the screen become red stripes.
When I boot into Linux or Windows the same problem appears, so it's probably a hardware problem.
I have no expensive adaptor to connect to an external lcd screen, so I don't know yet if the problem is in the mac screen or in the cabling or somewhere else...
Here are 2 screenshots of black squares a drawed in Illustrator, one taken on the mac (cmd + shift + 3)
one taken with a camera (where you can see the red lines)
I want to avoid the MacStore as I want to avoid missing my laptop for a month...
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May 7, 2012
why are vertical specs on screen at start up on imac 8,1 Won't go beyond Apple logo. Does chime.
Info:
iMac, Mac OS X (10.6.7), 6gb, 3.0.6, 512mg video
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May 20, 2009
before I went to bed, I was playing the Sims 2, when my iBook G4 crashed. Our power cord can be a bit dodgy, so sometimes that happens. I didn't really think about it much, just closed the laptop and went to sleep.Last Monday morning, I opened it and pressed the power button. It began turning on, and got as far as the grey screen with the apple and the spinning circle. And then it just froze. The circle stopped turning.
I freaked out a bit, and restarted it a bunch of times, each time with the same result. (One time it stopped spinning, and then told me a restart was required. Huh. The rest of the times the exact same thing happened though.) I even tried unplugging and removing the battery, but it made no difference. So eventually I just shut it and decided to try again later.Last Tuesday I opened it and pressed the power button without much hope, and again the apple and circle came up just fine, then stopped, but then a bunch of words and numbers popped up.I'm a complete computer noob, but they don't look good to me... or are they good?
Kernel version:
Darwin Kernel Version 7.9.0:
Wed Mar 30 20:11:17 PST 2005; root:xnu/xnu-517.12.7.obj~1/REEASE_PPC
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Dec 31, 2007
I have a G5 about 2 years old. Recently a pale pink vertical line appeared down the screen, another about 2 weeks later and today a third line appeared. They do not affect the screen's visibility, but I wander if anyone else has found a resolution to this minor problem (without having to go out and purchase a replacement.
Information:
G5
Mac OS X (10.4.11)
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Sep 11, 2010
I replaced my cracked LCD screen on my 17" macbook pro, and upon firing up you hear the chime, and the apple logo comes up just fine. Then after that it goes to horizontal lines, and no image on it. If I plug in an external, it shows up just fine on it, and if I put in the original cracked screen, I can see my desktop and everything as well.
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Sep 30, 2010
i was using my (late 2008) macbook 2.0Ghz when i noticed a vertical Blue Line going across the screen from the top to the bottom. I have uploaded pictures for you guys to see below.MY APPLECARE HAS ENDED!Can someone explain if this is something wrong with the LCD screen itself or the video card or the connector is loose?And if its a software or hardware problem, how to solve it by software? i have quoted asolution. But can someone verify if it works?
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