MacBook Pro :: Display Flickering When Scrolling?
Oct 12, 2009
im from Germany so my english is not the best =) But i try to explain what my problem is. I got a new MBP13 and im happy with it but there is something when i scroll down in this Forum here for exampe ... the text begins to flicker.
I dont know if it is the screen or a problem with drivers or anything like this. I tryed to make a video and uploaded it on youtube.
I want to know if you can see the flicker on this video or is it only me who can see this ?
Is this normal ?
Here is the youtube video: [URL]
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Jun 27, 2014
I have a brand new macbook pro, 2012 standard version, with Maverick. It has 8 gigs of ram.
I have a number of problems with it and I'll do my best to explain one -what happens when I am online and scrolling using my trackpad. The words get lighter as I scroll, shimmering or flickering, until I stop. Using Chrome, the blue links actually bleed into the rest of the words. It is barely noticeable if I use a wired mouse with it. (I don't have a wireless one) but using the trackpad is pretty bad.
It also does with my MAIL program if I'm scrolling through the messages using my trackpad but doesn't do it when using my mouse. Is this normal?
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Jun 29, 2012
There are random black horizontal lines, constantly on the screen.When I leave the setting of 1280x800 (default), the defects disappear, only small distortions, which makes me think that the error can be corrected via software update. As the Lion was on 10.7.3, I upgraded to 10.7.4 to see if improved. But the errors persists.At the end of the video, the lines are most striking, becoming impossible to work.
Info:
MacBook, Mac OS X (10.7.4), Mid-2012 2.5Ghz 500GB
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Jun 4, 2014
It used to stay like that until either I'd move my mouse over the area, scroll the page up or down, or refresh. It only seemed to happen in browsers, not in Finder or anything. It's the worst when watching videos on YouTube or any kind of flash video. But works fine on Netflix. I say "used to" because the above screenshots are from July 2013. I sent my laptop away to Apple but they were "unable to reproduce the problem." I figure they just left the laptop open and waited. You have to use it like it's YOUR laptop and then it will happen. Anyways, now it's happening more often. Except it's just a flicker. Over and over again. I could record video of it, if necessary.
So, I'm running 10.9.3. I'm not sure what other information is needed. But my computer is up to date. I don't have warranty. I just want to know what is causing my computer to do this.
Info:
MacBook Pro, OS X Mavericks (10.9.3)
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Mar 29, 2010
Sometimes the LCD display goes into this mode where in some areas you see red and green pixels flashing. I have taken a few pictures, which obviously don't render the flashing effect, but give you an idea of what it looks like:
[URL]
This is a MacBook Pro pre-unibody The graphic card is an ATI Radeon X1600 I ran the TechTool Deluxe tool to test the video RAM (and everything else), but it didn't detect anything wrong I have never seen this when the laptop is connected to an external monitor This doesn't happen that often; say 1 times out of 10, usually after the laptop comes out from sleep. The issue stays for a few minutes and then goes away until next time, so I am unlikely to have the problem when I go to Apple Store for service.
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Sep 5, 2010
So I've got my MBP that I've had for about 4 months, the thing is. It just recently started to have screen flickering issues. I'll be sitting doing w/e as usual and all of a sudden the display goes dark, almost black, for a second, then comes back up again. I have yet to find any trend in when this is happening, but it is definitely happening on battery as well as plugged in, but it seems to be getting worse.any one have any idea what this could be, something I can fix on my own, or should I take it in?
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Sep 12, 2010
I have a 28" inch display attached to newest version of Air. Works ok except when I have a full screen on plain dark grey background, then I see a waviness or flickering effect. Like the dark grey in Iphoto background. Other than this, the other colors seems ok. Pictures are fine, even when dark. Maybe there's a slight flickering with dark blue. Any explanations for this.
using mini display port to dvi. Tried with a friends dual link display, was a little different, but still unstable looking in dark grey when it fills the screen.
Could it be just what it takes to make this color, or the Hertz, which is 60. Other than this, no problem with the screen.
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Jun 30, 2009
I have a new 17" uMBP that I've owned for just a few days. I noticed yesterday that while I watching a video that i had strange green/red lines (horizontal) appear across the screen and flash/flicker. I freaked out and closed the lid, putting the unit into sleep, and opened it again and it all stopped. Today, I was using it again as usual, on firefox/etc. when it started happening again. Horizontal lines across the screen, the entire display flickering and screwing up and finally going black. I don't know what's going on, but I know this definitely isn't supposed to happen. I took a screenshot during the flickering/lines/etc but the screenshot came out perfectly fine unfortunately. I'll try and get it on camera next time.
I have all software updates installed. I tried resetting PRAM. The flickering I'm talking about isn't minor, it's actually absolutely horrendous and the computer is completely unusable when it's going on. It ultimately leads to a black screen. Anyway, this is all on the 9400, and I have no idea what's going on but I definitely know this isn't supposed to happen. UPDATE: I booted into Windows via bootcamp and it STILL happens. I also connected it to an external display(which works perfect), which leads me to believe that it's 100% a hardware issue. I'm taking it back to the apple store, enough said. This is my first Mac and I can say I'm definitely not happy to be having such issues with a $2500 machine.
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Jun 23, 2012
Our display flickers on one side and has multicolored vertical bars running down the left side at best, or the whole screen greys out over the top of the graphical display, is physically no longer fully attached on that side near the hinge (you can press it down quite a bit after it has been closed), and the aluminum clamshell seems like it's warped. The bottom access panel has become no longer a smooth fit - it sticks up a few millimeters at the gap instead of being flat. We used to be able to hold the back left side and the screen would work, now we have been sitting it on a wooden structure with a back support and pushing it against that so we can see the screen for the past year or two. Now the flickering vertical bars are getting worse and the wooden support doesn't always work, and as an added bonus, the trackpad recently stopped working (it no longer 'clicks' and acts like it's constantly pressed down, so we have to use an external mouse with it). It's pretty frustrating because we've babied this thing (it's never been dropped or abused and has only left the house like twice, and one of those times was to take it in to see about this very problem!) and it seems like it's a manufacturing defect, but of course we never had AppleCare and this powerful expensive beast is now a desktop computer with a super hard to see screen. I've been told we need to pay $400 to get a whole new clamshell.
Info:
MacBook Pro (15-inch Late 2008), Mac OS X (10.5.8)
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Jun 25, 2014
I have a Late 2011 MBP, just recently I also go an Xbox and wanted to hook it up to my external display that I have been using for a long time with no issues. I went and bought this: URL....to be able to easily switch between the two inputs. The xbox works fine, however when I view my Macs input the screen flickers a static image very frequently.
I know what you're thinking, it's probably an issue with either a cable, or the device. But when I boot into Windows via Bootcamp with the same exact setup, there is no flicker at all. The display is a dell s2440L, the HDMI adapter is a rocket fish.
Here are the troubleshooting steps I have tried: Resetting PRAM/SMCChanging out HDMI cables on both the Splitter output, and the inputs (I tried 3 different cables on both the inputs, and outputs.)Downgrading OSX to 10.7 (And then went back to 10.9)Lowering the resolution on the monitor (Lower resolutions flicker just as much, if not more.)Resetting the splitter by unplugging the HDMI cord powering it and plugging it back in.and of course, plugging my computer into the splitter input that the Xbox works fine on, as well as taking the xbox one out so the computer is the only input on the splitter.
Like I said, the Xbox works fine, and even the computer works fine in Windows, but whenever I boot into OSX my screen flickers with this static. I should add, the display works fine when not connected to the splitter on OSX.
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Sep 5, 2010
My wife's cat walked over her Macbook keyboard. Thereafter, when she uses the trackpad to try to move the cursor, the display moves in response, and the cursor sometimes moves, stutters, delays. Usually, both move.
So my guess is the cat hit some odd combination of keys changing some preference.
We could not find anything in System Preferences/trackpad, or searching the forums here (not that i know which words to use).
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Apr 17, 2010
MBP 15" unibody 2009 w. display port dual DVI adapter. Sometimes the attached 30" display flickers and displays weird patterns. Solution?
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Nov 26, 2007
Got a bit of a wierd one. Apple 22" cinema display (the old style). Running from a mac pro with a ATI radeon 1900XT graphics card. Have 4 operating systems running, all were working perfectly until last night. Leopard works great - no problems, as does Tiger and Windows XP running boot camp. What does not work is Vista x64. It was not installed with compatible bootcamp because x64 operating systems are not supported yet. It has been running fine for months though? I also run a small dell 17" TFT off the same graphics card and no problems with that. It defaults to the main desktop on starting up vista, but only in vista. And I get this fast flashing light - about 2 every second or so - regularly. No amber lights and no groups of three.
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Jun 17, 2012
My Macbook pro's display has started playing up. Having green flickering lines which come and go randomly, especially on images with a lot of black. Right now, the lines just disappeared as soon as I connected to mains, to start recharging the laptop. I'm using OS X 10.7.4 with NVIDIA GeForce 9400M.
Info:
MacBook Pro, Mac OS X (10.7.4)
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Dec 7, 2008
First I wasn't quite sure about the issue, but sometimes I thought my MBA display was flickering. Then I found this thread
[URL]
Does your screen flicker too, when you watch this pattern ?
[URL]
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Apr 7, 2009
My white Macbook, the one i'm currently typing on; the screen keeps flickering. 've uploaded a video taken from my cell phone of the screen flickering. I love my white macbook but the screen keeps flickering until I keep adjusting the angle of the screen. Some days the screen flickering is minimal and I'll adjust the screen easily with minimal screen flickering. Other days i'll be adjusting for a few minutes until I can get it at an angle where the screen doesn't flicker.Here is the link of the screen flickering: [URL]I've noticed there is less/to no flickering at all the closer I adjust the screen downward, i.e., the closer it is towards the macbook itself being closed.
As for the Macbook itself, it was purchased in December 2006 and have had AppleCare since. In June of 2007 I took it in to Apple since I noticed the screen flickering very minimally only when the screensaver came on. I was then told a small soda spill was on the logic board and AppleCare would not cover it, though I was still covered regarding all cosmetic repairs, aside from that soda spill. It hasn't been till the past 2 months the screen flickers heavily and I'm just sitting at my desk adjusting the screen until there is no flickering so I can get my work started. I was considering selling my Macbook for anyone that wouldn't mind the screen flickering but i've upgraded this Macbook with a 500 GB hard drive and before attempting to sell it i'd rather fix the problem myself.
Everyone, I'm all ears. I'd love to fix this problem. If it means completely voiding my AppleCare warranty and opening up my Macbook, so be it. the warranty expires in 6 months anyway.
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Apr 5, 2010
I did a quick search of the forums, and so I know there are previous threads about this. But my screen is flickering a lot lately and so I plan on either sending it to Apple, Driving 3 hours to Dallas since it's the closest Apple store, or taking it to an authorized repair place here in town. I just have a few questions for anyone that has either had this problem before or maybe just has dealt with repair issues before.1. Should I wipe my Hdd?2. Which of the three options would be the better bet?3. Anyone know if they would just fix it or if they would replace it?
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Apr 10, 2010
Every time I open a website for the first time the web address bar seems to be flicking between lots of different sites and I end up not at the one I selected, but the next time I try it normally works? I thought macs didn't get virus. I have firefox and safari loaded.
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Sep 12, 2010
Apologies if this has been posted before, but rather than trawling through the thousands of threads, and before hitting the Genius Bar.... thought I would run this by the experienced MBP owners first.Got my first MBP (crossed over from PC back in April), and within the last couple of weeks, noticed that the screen is flickering intermittently.
Wondered if it's a glitch stemming from the switch from Graphics card as/when needed, or if it's an indication of something more serious and warrants taking it in to the Genius Bar... (don't want to part with it for days unnecessarily).
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Nov 13, 2010
I went on a website only to noticed the black lines & columns on the page, especially at the bottom, gives off a noticeable flicker on my 13'' MBA.
Obviously with the issues of MBA screens, I'd like to check with you if the same thing occurs on yours? I'm finding it very worrisome that my screen could be faulty.
Click here: http://news.bbc.co.uk/sport1/hi/moto...ne/default.stm
Leave it for a 10 secs and the black lines flicker quite noticeably on mine ( I have click to flash installed & you tube 5 extensions.
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Dec 8, 2010
I have a Macbook Air that is about 2 years old. Recently, the backlight started to go off randomly, it always lasts for less than a second and then is back to normal.
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Feb 21, 2009
At full brightness the flickering is barely noticeable unless you really tried to look hard for it but you can also see it on website backgrounds with lots of lines, such as the left sidebar on [URL] Also, when the backlight dims after being left alone, the backlight flickers for a couple of minutes and then disappears. I have had this macbook for a bit more than 2 weeks. Should I send it in for a repair/replacement?
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Jun 24, 2009
I have problem with flickering screen when i am using archicad 12. During drawing mode. Besides archicad none other software have this kinda of problem. PLease advise whether its the graphic card firmware ?
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Aug 31, 2009
So, I replace my MacBook Air Rev. A for a Rev. C (2.13, 128 SSD). I'm more than happy with the performance increase, not so with the graphics.
I got the lines. They do not bother me, as you can hardly seen them. However, I use the MacBook at the office, hooked to a 17" VGA monitor (Viewsonic 1280x1024, 75 Hz) with the Apple VGA-MiniDisplayPort adapter. I never had any problems with my old Macbook Air, but now I'm seeing flickering and I think the display is not as sharp as before.
If I use the computer in clam shell, only with the external, the flickering goes away. Also, I haven't detected any flickering if I boot in Windows 7 (although I haven't used it much).
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Aug 20, 2014
I have flickering lines on my macbook pro , screenshot doesn't show them up, and I don't know how they got there.
Panicking a little as this laptop is fairly new and expensive.
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Jan 2, 2011
Almost every time I would move my Macbook Pro (I generally use it as a desktop, so move it very rarely) my screen would come on white and not show anything for an hour or so, (except a flicker or bleed of color here and there) when the image would suddenly flicker on back to normal. Now, it just stays mostly white, with lots of lines going up and down - the bit of 'color' in the lines does seem to match where windows should be on screen, but very generally, and it doesn't update in real-time, it 'refreshes' every so often. I attached a photo so you can see what I'm talking about.
I had my logic board replaced about a year ago now because of a faulty Nvidia 8600 chip (have a Santa Rosa MBP). I'm currently using an external monitor - which last time was exactly what I did when the chip started dying out and external display worked just fine then, despite the fact that the GPU couldn't drive the internal display anymore, so that's not a clear indicator that the GPU is fine. When I first started having this problem, I brought it to the Apple Store, and they ran the test on the GPU and said it was fine... but that was months back, so I don't know?
I'm thinking (hoping) this is a display cable issue and not a GPU issue. Also, if it was the display cables at fault, how much would it cost to replace the display cables? (internal LCD -seems- to work fine, backlight, etc., I think it's the connection..) Also, as a side-note, since my internal LCD is no longer working, how can I boot into Windows XP (Boot Camp) on an external monitor? It seems not to 'plug and play' at all, unfortunately, and I obviously can't get to the display settings if I can't see anything on the LCD!
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Jan 22, 2009
I just purchased the Macbook Air rev 2 120gb HD model. I it has the problems with the lines on the screen. It flickers on the one test image from the forums, but does not appear to flicker during normal usage. Also, it has a sort of CPU buzzing comming from the left side of the keyboard. It gets worse then I move the trackpad.
I was thinking of calling support on this, but I don't want to end up getting the same screen with the same problems. I was wondering if anyone has gotten any of this fixed. Is there some way that I can direct support so that they put in the correct model of screen.
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Jun 25, 2014
My Macbook pro with Rerina display is doing a very odd thing. The bottom dock bar is flickering every few seconds. It is like the top tool bar is actually pushing up from the bottom. I've attached a screenshot...if you look at the very bottom, you can see the blip of the top menu bar that is happening every few seconds.
I've tried restarting in safe mode, but the same problem kept happening.
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Mar 8, 2012
The screen on my Macbook Air just recently started to periodically display flickering lines. They are multicolored and stretch across the entire screen. Hardware test was ok, and console not reported any issues. MBA is "late 2010". Warranty ended January!
Info:
MacBook Air, Mac OS X (10.7.3)
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Apr 16, 2012
Hey,
I have a late 2011 MacbBook Pro with Lion. Sometimes my Mac gets vertical flickering bands almong with a really loud alam/emergency sound. Since I am in an office with svereral people, I have to swith it off by using the power button. I upgraded my RAM to 8GB (did it my self)... but there dosen't seem to be a problem with it since it says OK in the System report. Can someone please tell me what the problem might be?
Sincerely,
Johannes
Info:
MacBook
Pro, Mac OS X (10.7.3)
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