Mac Pro :: Screen Froze With Digital Artifact Lines And Squares
Mar 9, 2009
Apple delivered a refurb MP. And I just hooked it to my 30" ACD. Then suddenly the screen froze with digital artifact lines and squares. Only way to release it was to do a hard shut-down. And restart. Looks like its the stock standard graphics card. Is there any know probs with the ATI 2600. Also under Graphics/Displays. it just says ATI Radeon HD 2600 (rather than 2600 "XT") guess its the same card. Should I call Apple and get this exchange?
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Sep 1, 2014
today while I was working on my dissertation the screen on my MacBook Pro suddenly froze halfway with colored vertical lines covering the right half of the screen. The computer is only 1 year and 1 week old.
Info:
MacBook Pro (15-inch Mid 2012), iOS 7.1.2
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Mar 23, 2012
There are lines scattering across my screen. They look like lines that are broken up pieces of the picture flashing across the screen.
Info:
MacBook Air
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Nov 2, 2008
I have a problem with the display of an iMac G5 20". It shows up as vertical lines of small squares.
If I change screen resolution, the display will look ok for about half a second, and then it comes back again. Anyone had seen this before? (This is does not look like the usual problem with iMac and thin vertical lines.)
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Mar 25, 2012
Sometimes, when my iMac has been "resting" and I then move the cursor using track pad I get a stream of black squares on the screen. The more I move the cursor the more black squares I get. If I switch off and then on the screen is ok. This is an intermittent occurrence.
Info:
iMac, Mac OS X (10.7.1)
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Jul 29, 2010
I have a 10.4 iMac. Recently when using it the screen starts to pixelate with large random squares and effectively makes the computer useless. Either that or I get moving multicoloured flashing squares (very psychodelic)Also on booting up the grey screen with the apple logo has dark grey sqaures and then when it goes to the blue screen has a series of smaller squares top and bootom. The booting up stops at this point.
I have ran the disk doctor, but it doesn't seem to have made any difference.
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Jun 20, 2012
I just booted up me Mac and got a screen full of yellow squares. I can still see all the icons and everything seems to be working. Is my display going, or is there a fix?
Info:
MacBook Pro
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Apr 27, 2012
My MBPro, OSX 10.4.11 boots up to frozen blue screen with little pixelated squares.
Info:MacBookPro, Mac OS X (10.4.11)
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Jun 11, 2012
How many Mac users have suffered from the problem of small coloured squares appearing at random on the iMac desktop? They can be wiped by dragging a window over them but they will eventually reappear. I have discovered at least three other threads where this issue has been discussed but our local Apple store is claiming that Apple haven't declared it as a legacy fault. It would be interesting to hear how others have been treated when presenting Apple with this fault. At first they thought it was the GPU but they now think that it is either the logic board OR the logic board AND the GPU together!! Being charged between £480 and £650 to repair a machine that is less than 18 months old is a bit much from a company that continually boasts about the quality of its products.
Info:
MacBook
Pro, Mac OS X (10.7.2)
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Jun 20, 2014
New iMac at first of year has always locked up with green squares (1/4") randomly on the open window. I have to do a hard boot to unlock the screen. This may happen 5 or 6 times a day but I'm finding no pattern. It happens in any software, mail, internet browser, extra programs and only using what I need at the moment, including mail and internet, hasn't worked. I've run disk utility - repair disk and repair permissions multiple times to no avail. I've reinstalled the OS Mavericks and Adobe Creative Suite programs (Photoshop & Premiere Pro), no improvement.
I purchased a high-end iMac specifically to handle high-demand video editing needs. But this happens when checking email or browsing the internet too. Here's a listing of the system from a "Panic (system crashes) log" from the "Activity Report."
System Profile:
Model: iMac14,2, BootROM IM142.0118.B00, 4 processors, Intel Core i7, 3.5 GHz, 32 GB, SMC 2.15f2
Graphics: NVIDIA GeForce GTX 780M, NVIDIA GeForce GTX 780M, PCIe, 4096 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz,
[Code] .....
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May 27, 2012
I have a 2011 Imac and was on the youtube watching a music video when all of a sudden my screen COMPLELETY froze, and a loud clicking noise kept repeating itself nonstop from the speaker, I'm not sure if the sound was coming from the song OR my computer actually making the noise itself. I held down the power button and waited a couple minutes and restarted. The white screen came on with the apple logo, but all of a sudden it completely froze, I waited a few minutes and powered off. I now waited 5 minutes and restarted and it WORKED! Everything seems fine?
Info:
iMac
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Jan 30, 2009
I was putting a fresh install of OS X on a friend's MacBook. I put in the disk, it asked me to restart, and I went to Disk Utility (on restore disk) to zero out the data on the hard disk. I clicked partition (since he had a boot camp partition) to 1 partition and clicked apply. Here's where things go kinda weird. The confirmation dialogue comes up and the whole screen froze. I waited for a few minutes but nothing. I then held the power button until it shuts down. Reboot, and there's this beeping noise. It beeps 2 times, stops, and then beeps 3 times. I searched Google, which pulled up entries like bad RAM or something, but my RAM wad upgraded a long time ago, really rare coincidence that it failed while Disk Utility (off the restore disk) froze. I need to install the OS.
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Jul 30, 2010
I was playing Diablo II and my screen froze, and the same half second blip of sound kept playing over and over. I couldn't even force quit, so I held down the power button until it turned off.
Now, it won't turn on. When I press the power button, there is no chime. Oddly there are an inordinate number of fan wooshes. Like, I hear a woosh from the right, which is normal, but then I hear a woosh from the left, then another in the middle! I am being bombarded with wooshes!I've tried holding alt, or holding shift, or holding alt+s while starting up. No dice, although I do get fewer fan blasts, which is normal.
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Aug 26, 2014
I was normally using my Mac, as usual, when it suddenly crashed. The screen froze up and this icon showed up in the middle...A few minute later, it was still there so I had to force restart my mac. But when it started again, the image of a flashing folder with a question mark appeared. I googled a bit what it could mean, and I quickly found it was something about directory corruption. I tried to open the disk utility as advised to check if the disk was damaged, however it said the disk was alright, and it didn't give me the option to repair it. So now I'm stuck in the disk utility, and my only options are:
- Use time machine (I didn't save my data using it so useless)
- Reinstall OS X (Deleting all my content - exactly what I want to avoid)
- Repair the Disk (Which I can't even do)
So my main question is, is there a way I can get back all my files/data before reinstalling OSX? Are there other ways to repair what is broken without resetting my whole comp? Is it even possible that your mac crashes at any moment, making you lose EVERYTHING for no reason?
Info:
MacBook Pro (13-inch Mid 2012), OS X Mavericks (10.9)
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Aug 17, 2009
Since nothing was on my calendar for tonight I decided to rent the movie Miss March and play it on my one week old uMBP 13'. It started off well and an hour into the movie, the screen just froze. Nothing working out, I restarted my macbook the hard way, and it did to me another time again. I had to watch the movie in a normal window not for itunes to crash.
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Dec 9, 2014
I bought last year (18 month ago) my MacBook Air. Suddenly it froze and after restarting the screen remains "off". After connecting an external screen I can go to the first opening screen but the cursor won’t move. I tried to use the “Command,” “Option” and “Esc” keys on the keyboard at the same time to bring up the “Force Quit Applications” window but it doesn't work. After restarting I'm back at the same screen, still frozen.
Info:
MacBook Air
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Apr 28, 2012
My iMac's HDD is fried. The computer just froze so I decided to reboot it and was presented with that lovely blinking question mark folder. I tried it again (and every time since) I get the good old apple logo on the grey screen with the spinning loading thing, but it never progresses past that.I threw in my old Leopard install disc and it asks me where I want to install Leopard, but the HDD option never appears, nor does it in Disk Utility. So what do I do now? It's Sunday where I am (Melbourne, Australia).I'm not too sure if it's still covered under the AppleCare Protection Plan. Should I take it to an Apple store? I remember when my mouse broke I tried taking it there and they told me to take it to some authorised repair place. I'm not too excited about hefting the iMac to the shops only be told they can't
Info:
iMac, Mac OS X (10.5.8)
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Apr 29, 2012
My iMac screen has developed multicoloured horizontal lines in random spots across the screen..Is there a fix for this?
Info:
Imac intel, Mac OS X (10.4.11)
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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 24, 2009
First of all I'm new here so just wanted to say 'Hi', its been great to see all the discussions on these forums and they help a lot with buying tips and troubleshooting so thanks.
Problem #1 I purchased a refurb 24" 2.8GHz imac early May and have been using it since then and so far other than the "normal" gradient issue and a brownish tinge around the edges of the screen it has been good.
Lately I've been using Aperture a lot and first started to notice that in some pictures especially ones with quite a bit of highlights like clouds that there are small hatch like patches in all the pics. I know it isn't the pictures but the imac screen itself as you can see it on the desktop as well. It only seems to be centralized in the upper left hand section of the screen and they seem to be lite purple/blue in color. And like I said its only in patches in certain spots on the screen. Don't know if I'm being over anal about this or is this a problem?
Problem #2 I switched to a solid blue background to check the above problem and notice that there is screen burn in of the top and bottom header in the outline of my firefox window on the blue screen. Between switching windows often and applications very frequently and not leaving the computer at all... what the heck? Not normal for imac screens is it? Heat issue causing burn in? Hasn't been an issue with any other LCD I've ever used.
By the way the imac came in a new white box and was wrapped like new in perfect condition but I popped it open without ever starting it once to make a hard drive swap and the thing was definitely a bit dusty inside so in now way was it just used for a couple weeks before being given back to apple.
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Jul 5, 2012
I was on the computer when it froze on me then the lines popped up and the computer asked me to restart. When I did that, it just freezes on the start up screen now with the lines across it and will do nothing else.
Info:
MacBook Pro (15-inch Early 2008)
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May 9, 2012
My mac screen is frozen with white fuzzy lines going across the screen. I shut it off and turn it back on but it still remains white fish lines on the start up screen. I've tried revolting it, it works sometimes but now its stuck at the starting screen. I have been at this for 2 hours to try and fix it but nothing has changed about the screen.
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May 3, 2012
I am having multipe lines showing up on my screen, about a inch thick.
Info:
MacBookPro
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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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Jan 20, 2009
I have a Late 2007 MacBook Pro 15". There are faint lines going up on the screen. It appears to be some sort of video defect.
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Jun 19, 2009
Did anyone notice that the iPhone 3.0 has "screen lines" just like the MBA on the Messages, Phone, and iPod icons
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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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Mar 20, 2012
I am getting these parallel lines on the right side of my screen green, red, blue color. When the screen is moved they go away and if there is any movement in the screen, They come back. If the screen is pressed in the left corner hard from the outside, they go away. I don't know what to do? Today have a appointment with Genius Bar. Lets hope what they say. I have personally well maintained the notebook, I think has Apple some quality issues. I am disappointed. This problem is quite common online with other user's
Info:
MacBookPro, Mac OS X (10.7.3)
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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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