OS X Mavericks :: Frequent White Screen Crashes / Restart Freezes On IMac - 10.4.9

Aug 25, 2014

Since the last itunes update (May be a co incidence) , my 27" Mac keeps crashing with a white screen and flickering   It then wont restart most times, even when using boot up options such as option, Cmd P+R. even removing power!waiting and restarting etc on most restarts wont work its a white screen.

Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.4)

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OS X :: Mac Freezes And Stuck On White Screen On Restart

Jan 2, 2010

I got my IMac 3 years ago just recently started running slower in the past couple months, nothing too bad though. However just yesterday it became unbearable to use. 10 min to start up, once it was on took forever to open up any files etc. So I did some research online and I decided my best option was to reinstall the OS with my startup disk. I did that and erased all my harddrive (nothing important on it.) After doing that it ran great like brand new. Today I turn it on, it continues to work great for a few hours then it freezes in me. I held down the power button to restart. Turned back on and it was stuck on the white apple startup screen. After 15 min I decided to power it off and let it rest a while. After resting it still won't start up.

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Jun 1, 2009

So my 20" 2.4 Imac crashed on me twice tonight. A box popped up telling me to hold down the restart button for several seconds to restat. The second time I did this it just sits with a white screen and give three loud beeps over and over. Is there a fix for this? Is it my ram? I'm at a loss.

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Jun 26, 2014

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Nov 11, 2010

This is perplexing me: I've only had my iMac 21.5" for a week. I posted here about the white screen issue after the 1st s/w update. Now, on every restart I get the same *but only when* my USB ext HDD is plugged in; unplug it & it starts fine, plug HDD in and it mounts, checked external HDD with disk utility - AOK. Never had this problem with my old 20" iMac! It's still in DoA period so is it best to get it swapped out?

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Jun 23, 2014

Ive been getting this issue on my macbook quite frequently now; dont think its hardware related and occurs randomly at any time up to 3 times a day where the computer will slowly begin to freeze. 

It (usually) begins by my browser not being able to access a website (just a white screen in browser section), at this point im able to alt tab between apps for some time but eventually everything will hard freeze, same with the cursor which will turn into a rainbow wheel and also eventually freeze.  

Can only resolve this by power button for 6 secs (good thing it starts up in 5 seconds) 

MacBook Pro

Retina, 13-inch, Late 2013

Processor  2.4 GHz Intel Core i5

Memory  8 GB 1600 MHz DDR3

Software  OS X 10.9.3 (13D65)

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IMac (Intel) :: Freezes At White Screen During Startup?

Jun 2, 2014

I was off of my iMac for an hour or two so my screen saver when on.  I went to wake the computer and it was frozen.  I tried using the keyboard and mouse to wake up the computer from the screen saver, but it would not work, so I powered the iMac down manually from the button on the back.  I let it sit for 15 minutes, then I tried to start the computer up again.  Now at start up, I get to a blank white screen with the spinning moving pin wheel, and that is it. 

Info:
IMac 2Ghz Intel Core Duo, Mac OS X (10.5.7)

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IMac :: Semi Frequent Freezes - Force Manual Power Down

Jan 20, 2010

I have an older iMac, 2006 white version, running leopard. I am one of the many people who experience semi-frequent freezes which forces me to manually power the machine down. After much research it seems everyone has diagnosed the problem has hardware, specifically the graphics card running hot. I installed smcFancontrol and have ran it for four to five months. Since then I have experienced maybe 4 or 5 freezes, but the freeze occurs while doing nothing "heavy", just browsing in safari or chrome. Has there been any updated or new information concerning this problem? I have scanned the web a little and can't really find anything really recent. The most recent article/discussion i have found is roughly a year old.

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IMac (Intel) :: Mavericks Freezes At Login Screen?

Jun 2, 2014

My iMac started freezing at the login screen. I power up, the apple logo comes up (sometimes the blinking globe comes up for some reason) and then the apple logo flashes as if it restarted or something, and the loading indicator shows up for a few seconds. Then at the login screen everything looks normal (my picture is there and correct name of account is shown) when I type the incorrect password, the text box shakes appropriately. When I type the correct password, the loading indicator appears, the mouse turns into a beach ball, and it hangs until I hard shutdown. 

I know it's not a hardware issue because I just booted from the recovery partition and was able to view all my files in terminal. I would rather not reformat the hard drive. Is there a specific file that may be corrupted that I could delete and mavericks would automatically rebuild it?

Info:
iMac, Mac OS X (10.7.3)

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Sep 10, 2014

New iMac is stuck on grey apple screen after startup. It is a 3.4GHz Quad-core Intel Core i5 running OS 10.9.4. The problem occurred after a migration from my older 2009 iMac which is running Snow Leopard 10.6.6. When the restart occurred from Migration Assistant, the new computer will not boot up to the login screen. Disk utility did not solve problem.

Info:
iMac (27-inch, Late 2013), OS X Mavericks (10.9.4)

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IMac :: White Screen With A Folder On It / Start Up Screen Just Stays White

Feb 15, 2010

My step mom has an iMac. The first gen intel one and the other day out of nowhere there was a white screen with a folder on it and now when you go to start up the iMac the screen just stays white.. What would be the cause of this and what should I do to fix it .. thank you

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Jun 12, 2009

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Jun 26, 2010

Yesterday I was working away at it when suddenly the screen freaked out, there was blocks of color everywhere and the mouse was acting strange (jerky, up was down, down was up etc etc) I had to hold down power to repair it. When it started loading it froze the little circle in the middle stopped spinning and I had to restart it. Then the same thing happened again froze. So I started it in safe mode then restarted again. This time everything was back to normal. But today again I was just using the computer when everything went all glitchy again and same thing, this time when I went in safe mode the screen darkened and a box in the middle said something was wrong and to restart my computer.

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OS X :: IMac Freezes On Restart

Jan 6, 2011

I have a 3.06 Intel Core 2 Duo iMac with Snow Leopard. It is completely up-to-date and has always ran beautifully. I have not installed any new programs lately. Recently, when I go to APPLE > Restart (maybe after an update or just because I like to restart my computer on occasion) the bar at the top disappears, my dock stays up on the screen, and the computer just sits there and freezes up on me. I am forced to hold down the button on the back to get my computer back. Here are the things I have tried:Re-install of the latest update using Combo Update Reset PRAM Repaired Permissions Booted from disk and ran a Repair Disk Complete zero-out of the HD, clean install of Snow Leopard, and reinstallation of everything from a Time Machine backup Nothing has worked...The other problem is that it only happens when my computer is on for several days. If I restart daily, it doesn't happen. So, it makes it hard for me to log-in as a different user for that long to initiate the problem. I think it has something to do with a program that I may open and close throughout the week but I have no way to pinpoint what program it is.

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Sep 8, 2010

While surfing the internet the screen goes dark and wont let me do anything but turn off. (see picture)

Anyone else had this issue? not the first time this has happened!

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Apr 11, 2012

When ask to update software and click 'update all' and asked to restart laptop, the screen freezes and I had to force shutdown.

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Mar 27, 2009

i had the macbook Core 2 Duo for About 8 months and it was working great.yesterday i left a file download in firefox for 5 hours then went back to check on it , it was working FINE, Then i got Back after 2 minutes and the screen is suddenly white and not showing anything!i shut down the laptop and restarted , there was a chime and just white screen...i connected the laptop to an external monitor AND EVERYTHING IS WORKING on the external screen but the laptop screen is white!!!i tried resetting the PRAM and i tried resetting the SMC twice but nothing Changed

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Mar 13, 2012

My Mac Desktop has crashed and when I try to restart it It comes up with a white screen and just beeps at me

Info:
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OS X V10.7 Lion :: Updating Software On MacBook Pro A White Screen Came Up Like When Normally Restart It?

Apr 18, 2012

When I just got done updating my software on my MacBook pro a white screen came up like when you normally restart it. But it won't go away or let sign on...what do I do?

Info:
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May 16, 2012

Whenever I shutdown or restart MBP 13 with latest OS X. I see white screen with spinning sign.It is never ending. Once I have kept it like this for more then 20 hrs. I have contacted Apple couple of times but the solution was not permanent.Please check video link to better understand my issue. [URL]

Info:
MacBook Pro (13-inch Late 2011), Mac OS X (10.7.2)

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Sep 24, 2009

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For the last week, almost daily, Id get the beachball for a long period of time. This happens most frequently when I surf the internet. Occasionally this may occur when i play music in itunes but that is probably due to my library being store on an external hd. With that being said though, as I mentioned, it most likely occurs when I surf the internet. Many times, its not just a browser crash but a system wide crash where my mouse can move but when i click anything in the background, it would have no effect (but my mouse can move still). Only way to 'resolve' this was to do a hard shutdown and restart by holding the power button for few seconds. Of course, this issue keeps happening and it pissed me off so I looked around the net to find some possible solutions and many sites claimed flash being an issue. I uninstalled flash and retested and the problem still occurred. Reading maclife, it mentioned about some fsck -fy thing during boot up so i ran that test and found no errors. Restarted again, did some surfing and still the problem.

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Mac Pro :: Frequent Crashes When Computer Is Sleeping?

Jun 29, 2012

I have a Mac Pro Early 2008. Here's my set-up: BootDrive (Mercury Excelsior PCI SSD 240 GB): contains OS X and applicationsDataDrive (2.25 TB RAID 0 with three 750 GB drives): contains files, pictures, music, videoTime Machine Backup (2 TB drive) Recently I've been experiencing frequent crashes. These mostly happen when the computer is sleeping. For example, I'll put it to sleep before going to bed, and I'll wake up in the morning to find it unresponsive when I attempt to wake it up. (Also: the computer tends to be waking itself up from sleep, i.e. I'll wake up and it will be powered up, even though I put it to sleep the night before.) When I notice that it has crashed, I hold down the power button on the tower until it shuts off, then press it again to start up. When I do, it boots into Safe Mode. Does this suggest a problem is due to a peripheral or drive? 

The first time this happened, one of my internal drives got corrupted and I had to use Disk Utility to repair it. The second time it happened the permissions on my data drive got screwed up, and a few files on that drive got corrupted (including my Lightroom library). It just happened a third time, and once again the permissions on the Data drive are screwed up. If I recall, this all started happening after I installed the Mercury Excelsior PCI SSD. But it appears to be functioning well. I've run Verify Disk and it says it has no problems. 

Info:
Mac Pro 2.8 (Early '08), Mac OS X (10.5.2), 10 GB RAM, 74GB 10k Raptor, 2x 750GB RAID, 23" ACD

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Jun 22, 2012

Power just went out and now our iMac ('11) wont restart. When I power on, the start up sound plays and then a white screen with the apple and an spinning circle underneath.  After 10 mins, I shut it down and tried again.

Info:
iMac

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Aug 25, 2014

How do I reset or reboot a first version of MacBook Air?  It crashed when I tried to restart it and now just shows white screen with Apple Logo ? 

Info:
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Nov 24, 2010

I have a problem with my iMac 2 GHz Intel Core 2 Duo (2 GB 667 MHz DDR 2 SDRAM), running OSX 10.6.5. OSX crashes and freezes all the time. Nothing works anymore. Sometimes it just freezes, and I can only move my cursor, but nothing reacts anymore. Sometimes the screen blacks (or sometimes blanks) out or shows the weird moving colours as shown on the photo I just took below: After restart, it often happens again and again. Then the iMac is fine for a couple of days, before it freezes again. Can anyone diagnose the problem from the info above?

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May 28, 2012

recently my Mac Mini started behaving abnormally. I've started getting kernel panics and app crashes. I tried repairing permissions, repairing my disk and even reset my PRAM. I just bought my Mini 2 months ago so its new.

Info:
Mac mini, Mac OS X (10.7.3)

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Mar 22, 2009

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Apr 14, 2012

My MacBook pro started to throw frequent program crashes. I cannot nail this down to a specific program. I've repaired permissions, checked RAM with remember, even re-installed using internet recovery.

[Crash Report]

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OS X Yosemite :: IMac Retina Freezes And Restart Randomly On Clear System

Dec 2, 2014

my iMac random freeze and restart, on console i not see any message about kernel panic and etc system clear install ! what's happened ?   

log1  System Version: OS X 10.10.1 (14B25) 
Kernel Version: Darwin 14.0.0
Boot Mode: Normal
Model: iMac15,1
RAM details...[code]....

Info:
iMac, OS X Yosemite (10.10.1)

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