MacBook Pro :: Random Flashing Screen?

Jun 11, 2010

My screen periodically starts flashing and getting huge white lines that run down the screen when I play games (only have crysis maximum edition) but then it stops and goes back to normal. Ive noticed that it doesnt happen all the time, and not at certain moments in the game (i.e. happens at one point but doesnt happen again at that same point a different time) and it will stop if i go and look only at a wall. Is this normal or is my MBP F'd?


MacBook Pro :: Why Is Screen Flashing

Apr 19, 2012

My screen starts to flash when my macbook Pro is on for a period of time.  Does this mean it is going to die?  Does the battery need to be replaced?  Is the video processor going out?

Mac Pro, Mac OS X (10.6.8)

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MacBook Pro :: Random Screen Blackout / How To Repair

Sep 2, 2006

I have never witnessed anything such as this on a Mac before, so I'm completely at a loss. It's hard to replicate this problem, as it seems to be totally random--sometimes it'll happen when coming back from sleep, but more often, it just happens in the middle of regular tasks. While I'm using the computer, the screen will suddenly go black for several seconds, and I simply have to wait for it to return.

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Intel Mac :: Screen Has Developed Multicoloured Horizontal Lines In Random Spots Across Screen

Apr 29, 2012

My iMac screen has developed multicoloured horizontal lines in random spots across the screen..Is there a fix for this?

Imac intel, Mac OS X (10.4.11)

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MacBook Pro :: Applecare + Screen Flashing Black

Nov 27, 2010

I received my computer back from them yesterday, but when i opened it it was COVERED in packing material? (Thats what they said anyway). After talking to them they said they would cover my laptop for 90 days from water damage or Accidental damage! Only problem is, my computer screen flashes black randomly.. Anyone have any experience with it? So far they replaced the screen and the logic board...

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MacBook Pro :: Light Blue Screen Flashing?

Aug 18, 2008

When shutting down, we get a familiar light blue screen before the computer turns off. I'm getting this flashing at me while operating my MBP. It seems to happen twice, every so often. The screen will turn blue and become empty simultaneously for about a half second - then the screen I'm expecting to see comes back for about half a second - and then the light blue screen comes back again for about a half a second, and then everything goes back to normal.What the heck is this?

I must say, I'm having a little bit of a difficult time with my switch to Apple from Microsoft last November. I've already had to replace the logic board, it appears as if my network card is no longer working (I can only connect via WiFi) - and now I'm having this odd light-blue screen flashing... My video card?

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OS X V10.7 Lion :: When There Is An Alert Screen On Macbook Pro Is Flashing Once?

Mar 28, 2012

each time there is an alert or my macbook ask me a question or a kind of confirmation my screen is flashing once. Someone to know how to disable it?

iPhone 4, Mac OS X (10.6.8), iphone 4.3.5 and itunes 10.4 (80)

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MacBook Pro :: Case Splitting Near Screen And Swell At Random Points

Jul 14, 2009

So my laptop case has been splitting near the screen and it also seems to swell at random points. I have never dropped my laptop, I take great care with it as I need it for school. Last time I went to the apple store they told me it was a cosmetic issue and id have to pay around $800.00 to get it fixed. This time I decided to call the national apple line. They told me they think it should be taken care of, and that some one was being dis ingenious in the store (did I get screwed maybe because some one's boss told them to stop giving customers replacements? I have no idea). So Now I am taking this to the apple store tomorrow. What do you think I should argue? I think since I have a 3 year protection plan, I should get at least my entire case replaced, if not a refurbished macbook pro/ or an upgrade.

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MacBook :: Getting Grey Screen With A Flashing Question Mark?

Mar 9, 2012

I have a MacBook Model # A1181, I'm getting a grey screen with a flashing question mark inside a folder and the drive doesn't work ither....

SAFARI download, Mac OS X (10.5.8)

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MacBook :: White Screen With File Folder Flashing?

Mar 12, 2012

I was given a MacBook 13" laptop, new to apple computers though. At first I was told the laptop itself did not power on. I charged it overnight, and it will come on, however, only to a white screen with a file folder in the middle with a ? mark in the file folder.  I googled the screen and got several choices, start in save mode, did nothing. I called apple, since it is a 2006 model computer, it is of course out of support, but she emailed me articles to follow directions.  None of them did anything, since it was given to me I do not have the start up disks, just the laptop  and the charger.  I did notice that out of all the steps the only thing that did anything different was the "reset NVRAM/PRAM"  it made speakers make a sound as it was starting up. Thats all it just still went to white screen and file folder. 

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MacBook Pro :: 15" From Mid 2011 Sometimes Has A Flashing Screen And Then Freezes Up?

Apr 14, 2012

My MacBook pro 15" from mid 2011 sometimes has a flashing screen and then freezes up.

MacBook Pro (15-inch Early 2011)

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MacBook Air :: Flashing Question Mark On Screen - How To Reset

Apr 17, 2012

Mac book air has a flashing question mark. How do I reset computer?

MacBook Air, iOS 5.1

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MacBook Pro :: Won't Turn On - Getting Flashing Question Mark On Screen

May 9, 2012

I can't turn on my computer. The screen has a flashing question mark.

MacBook Pro (13-inch Mid 2010), iOS 5.0.1

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MacBook Pro :: Violent Flashing Screen - Entire Computer Crash

Apr 9, 2010

I'm having a terrible issue with my MacBook Pro 2.2GHz Santa Rosa Core 2 Duo A1226 (not unibody). All of a sudden, the screen began flashing violently, terribly violently. And as soon as it happened, the entire computer froze up. After forcing it to shut down and powering back up, it cannot boot past the gray restart screen.

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MacBook :: Bottom Half Of Screen Flicking/flashing Lines?

Feb 8, 2012

my Mac started doing this a week ago. The bottom half of the screen flickers/flashes lines. If I leave it open on a flat surface and I touch the screen for a little bit, it'll go back to normal. When I close the laptop, put it in my case, and travel around with it, the next time I open it up it'll start flashing again.  

MacBook, Mac OS X (10.6.8)

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MacBook :: Grey Screen With Flashing Question Mark At Start Up?

Mar 29, 2012

My computer started getting really slow all of the time and then it froze with the spinning rainbow. Normally if I simply press and hold the power button to restart it, the computer is fine. This time when I turned t back of I got a grey screen with the flashing question mark.


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MacBook :: All Of A Sudden Screen Stays Gray And Flashing Folder With '?' On It

Apr 11, 2012

All of a sudden screen stays gray and flashing folder with "?" on it


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OS X V10.7 Lion :: Screen Keeps Flashing As Though A Screen Capture Was Being Made?

Jun 21, 2012

This is unnerving. At random intervals, my screen flashes. It more like "winks" - as though a screen capture was being made. Actually, when you make a real screen capture, the screen doesn't wink, but that's the impression I get. The screen doesn't flicker or flash like it's a hardware bad connection, but goes through a fast, but continuous normal-white-normal cycle. I'm looking at my activity monitor to see if something is unusual, but I can't tell. Everything I look up seems to be real.

MacBook Pro, Mac OS X (10.6)

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MacBook :: Unable To Complete Boot - White Screen With Flashing Folder Appears

Sep 13, 2010

I woke up to my MacBook fan going nuts. Had an error message on the screen that said something about a disk error. The machine wouldn't do anything (force quit, launch app) so I hard powered down. Now.....NOTHING. All I get is the white screen, followed by the flashing folder. Here is what I have tried so far.

I already booted from the restore cd that came with it and opened disk utility. The hard drive shows up as something like disk1 but not "Macintosh HD."Tried to repair permissions and got an error message. Thought then to do an archive and install......and the HDD isn't even a viable option to install the OS on.

I had the original (but smaller) HDD that came with my MacBook, so I put it back in and everything booted up just fine and is back up and running. (Thank God for MobleMe that had all my contacts, etc on it). But I still have some info on that other HDD that I need. I ordered a usb enclosure for the drive to maybe try some recovery, but it seems to me that the HDD failed or something. Is there anything else I can do?

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IMac :: Screen Turning On And Off At Random

Aug 7, 2009

I have a 24" 2007 iMac, the first aluminum ones, 4Gb of Ram and a recently upgraded HD to 1Tb (from a 320Gb failed drive). Recently, I have noticed that under some active usage, such as playing World of Warcraft or Excel, the screen will start to turn completely off for 10 seconds, and then back on for 10 seconds. It will continue to do this for about 3 hours, turning on and off every few seconds or 15 seconds. It will mostly turn completely dark but would also sometimes flicker. The curious thing, is that if I continue to keep playing, the screen would cease doing this after about 3 hours and then be completely normal and fine, but the next night.

The symptoms would repeat itself, and would consistently go away after active usage (3 hours or so). Imagine this, as if the iMac itself needs to be "warmed up" for 3 hours before normal usage. It would also appear that if I hit the machine (or tap it), this may sometimes bring a dark screen back to life for a few seconds. I plan to bring it to support, but I just want to get some ideas from you guys as to what this can possibly be.

Some of my guesses:
1) It cannot be software as physically hitting it or my dog barking would affect the rate and speed of the random turn Ons and Offs.
2) It could be a loose connector from my recent transportation of it while upgrading my HD, but then why would it become normal after 3 hours of usage?
3) Maybe something to do with RAM or video RAM? It is faulty, and thus only prolong heavy usage would "run it in" for the session? After not using it for a while, it goes back to its failed state?

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OS X :: Flashing With White Screen?

Oct 11, 2009

I don't know what else to do... Started sounding like a cd was running o something when nothing was in there, now that stopped, but im just getting a white screen with a flashing folder with a ? Its flashing between the finder icon and a ? and will not do anything else.

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Mac Pro :: Screen Flashing And Freezing?

Apr 6, 2012

I have a 2008 Mac Pro, which has served me well since I got it, at least until a day or two ago. At that time, it started exhibiting sporadic black flickering on screen, paired with freezing. At first, everything would freeze except the audio, which would continue playing uninterrupted, and after a minute or so the system would unfreeze like nothing happened. Now, though, it seems to have gotten worse; the system doesn't seem to recover after a flickering episode, and even the audio will get stuck into a one second loop after a while. 

I tried resetting the PRAM and the SMC. When that didn't work, I tried restarting into Lion Recovery mode with Command-R. For some reason, that sent me right to a reinstall screen, but it didn't matter, because the screen started flickering and the system froze almost immediately after startup. I'm pretty sure that what it froze in was a separate recovery partition, so that should rule out any software issue. I'm guessing that my video card is fried, but I'd like to see what others think; I'd like to avoid buying a video card that I don't need.

Mac Pro (Early 2008), Mac OS X (10.7.2), GeForce 8800GT, 6GB RAM

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Intel Mac :: Get A Random Door Bell Sound At Random Times?

Jun 27, 2012

I get a random door bell sound at random times, even if the IMac is off.  What do I do?

Mac OS X (10.6.6)

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IMac :: Random Artifacts / Glitches On The Screen?

Sep 15, 2010

I've had my 27" iMac (3.06GHz) for a few weeks now and yesterday I noticed some weird artifacts appearing on the screen, very randomly.

They will pop up all over the screen but if I "Show desktop", they will go away for a bit but sometimes reappear again in different areas of the screen. I restarted the computer but that only temporarily fixed the problem.

Anyone know what's causing this and how to fix it?

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IMac :: New 21.5 Inch ... Getting Random Black Screen

Sep 24, 2010

The screen randomly turns black without any major reasons. It doesn't seem to be a sleep mode/screen saver thing as the music continues to play on. I can adjust the volume or pause the music with the keyboard but the screen just won't turn back on. I have to shut it down using the power button and it happened several time the last couple days. Anyone else experience the same thing and got a solution?

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OS X :: Snow Leopard Random Black Screen?

Nov 19, 2009

Is anyone else experiencing this issue? I have a external monitor plugged in and I use my Macbook Pro (2009 Uni) as a secondary monitor. Randomly, the macbook screen just goes black. If I move my mouse on to the macbook screen, I can see the mouse cursor, but the rest of the screen is black! It's driving me mad!

The only fix is to un-plug the monitor adaptor or adjust display arrangements. It's really cramping my style.

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Hardware :: Getting Random White Dotted Line Across Screen?

Jun 7, 2010

It is random and is only across internet windows, not the entire screen.

looks like morse code, short and long lines.. just one line. it goes away on its own.

appears randomly.

iMac 10.4.11 roughly 3-4 years old.

Do I have pending monitor issues ?

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OS X V10.6 Snow Leopard :: Screen Goes Black At Random Times?

Jun 6, 2012

iMac 27 the screen goes black at random times. If left for a time and by pressing ctrl, Shift Eject, the screen comes back and can remain on for the rest of the day. However, the next day the same thing happens.  

Energy saving set to - Hard disk never sleep, Screen sleep in 15 mins.

iMac (27-inch Mid 2010), Mac OS X (10.6.8)

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Hardware :: Flashing Question Mark On Screen?

Jun 29, 2009

2.0GHz MacBook running 10.5. My friend's computer which he brought to me thinking I might be able to get it booted.

My buddy went to bed last night, running a video on his hard drive with the computer hooked up to his flat screen TV, he fell asleep while it was playing. This morning he woke up to a frozen screen. He did a manual shutdown. Upon restart he got a gray screen with nothing showing.

I have tried the original installation disk and restart while holding down "C" with no result.

I tried a copy of Tech Tools 5 in the DVD drive... with no result.

I have tried booting off of my own external firewire HD upon which I keep a bootable clone of os10.4.11... with no result.

I tried booting off that same external HD while holding down "C" and got the flashing folder with question mark.

I tried using a firewire cable and starting the bad macbook in target mode while hooked up to my old iBook. This caused the macbook screen to show a firewire symbol and nothing showed up on my iBook screen but an archive... Tech Tools on my iBook recognized the archive but could not Unmount the archive when I tried to use any of the tools to explore or fix the target disk.

I know that the flashing question mark indicates there is no start up software to be found, but I have to question whether this might not be something more than a bad HD. Anyone have any suggestions?

BTW... the macbook is out of warranty. My friend just went ahead and ordered a new macbook pro so there is no pressing need to get this fixed in a hurry, but he would like to get the old computer fixed if it is just a matter of replacing an HD.

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OS X :: Currently Stuck On The Grey Screen Of Death With The Flashing?

Oct 11, 2010

I am currently stuck on the grey screen of death with the flashing ? file folder.I have tried resetting the pram etc. and when i boot from my snow leopard disk the disk utility does not recognize my HD. Is there anything else I can do to fix this? Or try?

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PowerPC :: Wine + Ibook = Flashing Screen?

Mar 13, 2008

Well, a friend of mine spilled wine on my ibook g4. Other than trying to decide how much if not all of it to ask her to pay(my wine, but on an armrest and I was in the other room), I was wondering if anyone can fix suggestions. We got the battery out and it unplugged right away, but when I turn it on the screen violently flashes on and off. It does seem to run fine other than that, though.

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OS X :: Black Screen With A Flashing White Line?

Aug 8, 2009

I have an iMac 2.8 24 inch, about Two years old running 10.5.7 , when I start the computer it shows the normal Gray screen for about 30 seconds, then the screen goes all Black , but with a small flashing white line ( _ ) in the top Left hand side corner.

It just stays all Black for ever , I then hold down the On / Off button and turn off the computer, I then hold down the keyboard '' option key '' and press the on button at the same time , then I get the option to start from the main HDD , I click the Icon and the computer then starts normally , and every thing runs ok.

Can some one please tell me what I have to do to get my iMac to start up normally again , Ive run Repair Disk permissions but the problem still occurs . Over the last few day's Ive been trying out a few new applications, so not too sure if this has any thing to do with this current problem

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OS X :: Flashing Planet Before Startup Screen (What It Means?)

Dec 4, 2009

I've recently been getting a flashing planet or globe when I first boot my mac. Nothing is different as such, I'm just curious what it means.

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Hardware :: Pink Flashing Columns On Screen?

Aug 9, 2009

I was wondering if anyone might know anything about the pink flashing columns i'm experiencing on my iMac screen. at first, there was one column on the screen with pink stripes... the second time it continued the same, and the third time, another column of pink stripes opened up and it really started distorting the image on the desktop, moving up and down uncontrollably.

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Mac Pro :: Get A White Screen With A Flashing Folder Showing A

Jul 6, 2012

When I log on to my Mac I get a white screen with a flashing folder showing a? What is wrong with it and what can I do.


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Mac Pro :: Random Green Fuzzy Screen That Come And Go / Rebooting Stopped Working

Feb 2, 2010

I own a MacPro1,1 that has a Geforce 7300 GT running on it. That video card comes with one Dual-Link DVI port, and anonther that is Single-Link. I just bought a Dell 30" 3008WFP monitor that has a max resolution of 2560x1900.

When I first connected, it worked great. I was getting the max res; life was good. Then I started getting this random green fuzzy screen that would come and go at whim. I couldn't reproduce it, and worse was I have not figured out a way to get rid of it. Early on, just unplugging and replugging in the cable worked. Then that stopped working. Rebooting stopped working. Once i was able to get the green to go away by powering down the display and powering it back up. Yes, totally random.

Here are some more facts:

1. Setting a lower resolution doesn't rid me of the green fuzz effect.

2. If i connect to the same monitor using the single-link DVI port, everything works great, but only reaches 1920X1600 (as expected).

3. Connecting to different monitor using the Dual-Link DVI port works fine, albeit that the other monitor has a lesser max resolution.

4. I'm running Snow Leopard 10.6.3 and I have all my software updates in place.

5. I've attached a screenshot of what this looks like.

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Power Mac :: Random Black Screen - Is It Monitor Or Graphics Card?

Mar 21, 2012

Do not want a nuisance to escalate into a serious problem thru benign neglect. Random black screen -- Turn monitor off then on, and all comes back fine. No loss of power in machine, no fan quirks, no overheating. Is it the Monitor? or the graphics card?

PowerMac, Mac OS X (10.5.8), 6GB DDR2 SDRAM

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Intel Mac :: 27" Displaying Random Coloured Squares On The Screen?

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.

Pro, Mac OS X (10.7.2)

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Desktops :: Screen Begin Flashing Off / On Occasionally (Running 10.5.4)

Sep 4, 2009

I teach in a computer lab with 30 Duo Core iMacs running 10.5.4. Occasionally I will have a screen that begins flashing off and on. The computer should have gone to the screen saver.

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Intel Mac :: Does A White Screen With A Flashing Folder Icon?

Apr 9, 2012

My computer seemed locked up, nothing would open.  I had to force quiy everthing.  I tried to normally shut it down and it wouldnt shut down.  I held the on off power switch.  When I tried to turn it back on It stays tuck on the white screen with a flashing folder icon with a question mark in it .  Has my hard drive gone bad? 

iMac (24-inch Mid 2007), Mac OS X (10.6.8)

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