OS X :: Mac Keeps On Randomly Restarting?
Jun 15, 2010
The restart always occurs when I am browsing and interacting with ebay on any browser (tested on FireFox, Safari, and Chrome with a restart occurring in all 3) The screen slowly gets covered by a light grey over layer and displays a message telling me that there has been a problem and that I need to hold down the power button to restart my macbook. this has been happening to me for the past 3 weeks and I can't stand it anymore.
Any suggestion on how I might be able to find a solution to the issue? Also, has this happened to anyone else out there? I am running Snow Leopard 10.6 on a 2009 macbook.
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Apr 21, 2012
In the last week or so, my computer has been randomly acting up:It has restarted over a dozen times when I pressed the "esc" button to exit from full-screen viewing while I watch video.It has gone to the sign in [initial purpley wave] screen when I was in the middle of simply typing a document.It has rebooted on it's own when I tried to use any application I use regularly- such as Photobooth, etc.And just now, I had to manually press the on-off button to get the computer started because my mouse was frozen. Sounds like there is a ghost in the ol' machine.
Info:
MacBook Pro (15-inch Mid 2010), Mac OS X (10.6.8)
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Jun 6, 2012
I've been experiencing a problem with my 2007 MacBook Pro. At seemingly random intervals the computer freezes, the screen goes blue, and restarts at the login screen. It does NOT fully restart the computer, which is why I'm having difficulty finding a solution to this problem since most info online seems to deal with that issue. Â
I took it to the Genius Bar -- they reset the cache and system permissions -- but the problem remains unsolved. There's no new hardware of software I can think of..MacBook Pro Intel Core 2 Duo 2.2 Ghz running Mac OSX 10.6.8. Please let me know if I can provide more info. Â
Info:
MacBook
Pro, Mac OS X (10.6.8)
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Aug 21, 2014
Completely random- I don't watch a lot of video. typically when booting up and during regular safari usage it will crash- screen goes black and it ready that it did it because of a problem- press a button or wait and it will restart.
Info:
MacBook Pro, OS X Mavericks (10.9.4)
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Dec 7, 2014
I recently had to reformat my iMac because it was restarting constantly and it kept freezing too. After a reformat, I installed a few programs. Skype, Microsoft Office 2010, VLC, Plex Home Theatre, Plex Media Server, an uTorrent.Â
My computer restarted randomly again, twice :-( I included the crash report below if it is useful.Â
Anonymous UUID:Â Â Â Â Â Â D5BFA84C-1ECE-3EC9-ED1F-6392EF1A3BB8Â Â
Mon Dec 8 02:13:49 2014 Â
*** Panic Report ***
panic(cpu 0 caller 0xffffff80040e8887): "complete() while dma active"@/SourceCache/xnu/xnu-2782.1.97/iokit/Kernel/IOMemoryDescriptor.cpp:3307
Backtrace (CPU 0), Frame : Return Address
[code].....
Info:
iMac (27-inch, Late 2012), OS X Yosemite (10.10.1)
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Jun 26, 2014
Running latest Mavericks on my late 2007 iMac. Recently had to do a Time Machine recovery and since my machine randomly restarts by itself when left unattended. While monitoring Console the following message keeps repeating and suspect it is the root of the problem.....
6/26/14 5:04:46.570 PM com.apple.launchd.peruser.501[225]: (com.hp.help.tocgenerator) Throttling respawn: Will start in 10 seconds
6/26/14 5:04:47.607 PM com.apple.launchd.peruser.501[225]: (com.hp.help.tocgenerator) Throttling respawn: Will start in 9 secondsÂ
What this means and what would be causing ?
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Sep 4, 2014
My mid-2014 15" Macbook Pro randomly "loses" its retina display at the top menu (becomes pixel-y), where the battery, sound, and wifi logos are (on the top right side of the screen). A restart fixes the issue, but I want to know if this is an issue that can be fixed?Â
Info:
MacBook Pro with Retina display
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Jul 21, 2009
Today my Mac was running fine and I rebooted. When it came to the bootup (gray screen) screen, it was there for about 1 minute and it keeps restarting.
I popped the Mac OS X DVD in and am repairing permissions as I type this. It says 44 minutes remaining. There is a long list of permission issues. Could this fix the problem?
I also tried a Disk Repair, but it said that Macintosh HD is OK.
I really don't want to do an Archive and Install (hopefully the permissions repair will work). But if I do, will this fix it? Will it keep all my files? Settings?
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Feb 6, 2010
My macbook keeps restarting after the chimes. I forgot my password so I tried to "hack" a new admin account by putting it in single user mode and then entering the command : /sbin/mount -uw / and when I entered the 2nd command : rm /var/db/.applesetupdone it didn't work. When I tried to restart my MAC it kept going to the start up screen and just keeps on restarting over and over again.
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May 20, 2009
When I put in the original OEM leopard discs that came with my new macbook, the computer just keeps restarting. Any ideas? I thought these were recovery discs?
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Mar 13, 2010
Before Snow Leopard, I could just force quit a Software Update after it was done to avoid restarting. Now Apple makes it so I can't even use my computer while it is being updated. How does one keep Software Update in check?
Treating me like a dumb computer user makes me seriously consider switching to Linux. I want my freedom back!
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Jun 21, 2010
My MBP has been freezing over the past few weeks. When the computer freezes, the mouse gets hypersensitive, then it will be unresponsive to everything. The screen then goes black. One of three things then happen. One, I manually shut the computer down by holding the power button. Two, same as one except I get a Kernel Panic text file on my desktop when it loads back up (this only has happened once), or three, the computer restarts itself. It once from while I was playing Call of Duty 4, and once right after I had quit it. However, I had SMC fan set high whenever I play it, my computer is on a cooling stand and there's an desktop fan right next to it blowing over and under it. Could overheating still be a problem?
My MBP is late 2008 refurb, 2.53ghz, 9600 w/ 512 vram, 5400 rmp hard drive, 4gb Apple ram. Freezing has happened under both 9600 and 9400 cards.
The 9600 and hard drive have both been replaced by Apple in the past few months due to other freezing issues (the 9600 was defective, but when it froze I would get screen artifacts and the mouse would still move neither of those things happen now).
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Jul 18, 2010
i turn on my iMac it either freezes and the screen is all white or all blue. I have to try doing safe boot everytime i want to use it. While doing safe boot its not always sucessful, would have to do it 3 to 5 times until i get to the actual desktop.
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Aug 13, 2009
Mac G5 2.5 Dual Not Restarting
My G5 2.5 dual, runs all day with no problems, if I shut it down for any reason, I have to wait 15-20 mins before I can restart it. If I start before this period then the machine chime but then hangs and does nothing else, nothing is displayed on the screen. If I wait the 15-20 mins the machine continues to work all with no problems.
The machine is clean inside and the fans run as normal.
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Apr 9, 2012
My iMac keeps turning off and restarting by itself.Â
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Apr 26, 2012
I don't keep my computer on 24/7. Lately, when I start it up, it restarts on it's own. Sometimes, it seems to get through with the initial start up but shuts down & restarts after about a minute. Sometimes, however, it doesn't even finish the boot up process when this happens. This usually will happen over & over again a many times. The only short term solution I've found, is to unplug my computer, then restart it after a minute or so. This has not permanently fixed this problem however, because the next time I shut off, it happens again.
Info:
mac pro, Mac OS X (10.5.8)
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Jun 4, 2012
I own a MacPro, running OS X 10.6.8. Several weeks ago it began to restart on its own, right after I turned it on. I ignored the issue and continued to work with it for several weeks.  Suddenly yesterday it began to behave funky again, to the point where I cannot work with it at all. I turned on the computer, and few minutes later, it restarted on its own for several times. The point where it restarts is random, sometime in the sing in section (when you place the password) or while I work on some program. I was trying to run DiskWarrior, and the machine restarted on its own again!Â
I am also using part of this Mac as a PC, so I tried restarting on PC to see if its only on the MAC side, but it didn't make it through, it restart again before the windows icon appeared. Then after several restarts on the Mac side, an error message appeared, on the grey screen before the apple icon appears. It is all writen in code and it says something like: panic (cpu 0 caller 8x2aaf41): Machine check at .... (the picture is in my iPod but I don't know how to bring it into my computer). By searching this forum, I read I could try by reseting the PRAM and NVRAM, but I wonder what the consequences are when doing this. And if I try reinstalling the software, would I still be able to keep the PC side intact? Cause I still need to access the PC side as it is? I was able to run a backup for the Mac yesterday, but I couldn't for the PC. Â
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Jun 27, 2012
Ive just bought the new Mac book Pro 15" that was released a couple of weeks ago and it suddenly freezes and the restarts, it's done this four times, ive only had it for a week.
Info:MacBook Pro (15-inch, Mid 2012)
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Jun 22, 2014
Why would my MBP restart when I try to shut down?
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Oct 23, 2008
My computer was running extremely slow and seemed to be freezing, so I restarted and now it is restarting and coming to the screen that says Windows didn't shut don properly and asks if I want to run in safe mode, normal, at last known good configuration. I have tried every option, but it looks like it is restarting properly, then it powers off and back on to the same screen over and over again. It briefly shows the blue screen of death, but not long enough to even read it; it just flashes, then goes on to restarting. The Mac side seems to be working fine, but I have a lot of Windows programs I need to use, so I need my Windows side to work as well.
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Jan 27, 2009
I was loading windows xp home addition on my macbook pro and it froze when restarting. Now when I start the computer it just pulls up a black screen that says press any button to restart, but pressing the buttons does nothing.
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Jul 20, 2009
For some time now I have been using a logitech V270 bluetooth mouse with my Mac Pro which has a bluetooth 2.0 card installed. All works fine except that when I restart my Mac Pro the mouse is generally not automatically detected and I get the 'bluetooth mouse setup' screen with the message 'there isn't a mouse connected'. I then need to press the reset button on the mouse and go through the usual connection procedure. I wonder How I can get this set up so that the Mac Pro automatically connects.
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Sep 13, 2009
I bought a new 17 inch MBP tonight. When it started up, it made a very odd sound that was similar to a CD/DVD being processed or ejected.I thought maybe it was a one time thing, but since restarting it a few times, it's made the same sound each time.Is this normal? I've never heard it before. It's like there's a CD or DVD in there, but of course there isn't.
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Oct 22, 2009
I am fairly new to macs and I am having a problem, my Mac Pro keeps restarting. I had a quadro FX 4800 video card on it, but it apperently was useless for gaming ( had problems with all the games i tried), so i swapped it for a NVIDIA GeForce GT 120. I was instructed that once the card was put in i would just have to start up the Mac and download the drivers. But every time i try to start up it just keeps teling me over and over the mac has to restart. Is there some way to fix this? Would having the Mac dual booted with Windows vista ultimate be a contributing fact to this problem, as that starts up but the display is weird and the graphics card doesnt seem to be registered on the system.
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Jun 16, 2010
I misplaced my recovery disk so im using my leopard cd when I put in osx it prompts to restart the computer. Once I do that it keeps rebooting over and over it has a grey screen but here the mac reboot sound. Once I take out the leopard cd then it reboots up normally.
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Jul 12, 2010
after having my imac for almost 3 yrs im having problems just after being online for 5 to 10 minutes it RESTARTS on its own and it keeps doing it unless i shut it down some days it work fine and some it don't or it will work half way through the day. went to the disk utility and did everything and it didn't find a problem so what can it be. someone mention something to be bout the POWER SUPPLY, AND ANOTHER SAY ITS PROBABLY OVER HEATING. when i put the disk in it at start up and press *D* to run that test it NEVER FINISH it restarts. also found damage files what are they?
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Jul 25, 2010
(15" 2010) running OSX and Windows XP via Boot Camp.1. When I'm in XP, and I want to reboot the computer in OSX, and I right-click on the little grey diamond in the system tray and select 'Restart in Mac OS X', the computer stops responding. I can move the mouse around, but everything else is completely stuck (can't click on icons, buttons, etc) and the computer doesn't restart. If I go to the Control Panel, select the OSX disk, and then restart the computer using the Start menu, it works just fine.
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Dec 13, 2007
I thought I had RAM problems as I couldn't upgrade properly so I bought some new RAM (2x1GB) and replaced the old ones. However upon restarting a red light appears next to the RAM top slot and the machine still does not start. I also notice that the LED next to the power button flashes twice which according to some other info suggests that it can't see the RAM. I've taken it out and put it back carefully but to no avail - the same result !!!
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Apr 1, 2006
i have recently been doing some things to my system as in this faq i found at http://www.index-site.com/Macosxspeed.html to "speed up OS X". and then not long after, i tried to move something out of my trash, and the finder locked up, my icons dissapeared, and it kept restarting! I rebooted my machine and the problem persists. it tries to run, freezes, not responds, then restarts. meanwhile, i can only get into programs that are on my dock.
i restarted, typed cmd-s, then fsck -f, and there were no problems there.
I put my osx panther install disc in, to try to do an archive & install(to reset prefrences) however i do not know how to get it to run, because i can't use my finder.
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Jul 8, 2008
I am trying to reinstall Mac OS X with the CDs supplied with my Mac Book, but when I put in cd #2, the installation process restarts when it gets to iWeb. It just keeps restarting. I followed all the directions with the software.
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