OS X V10.7 Lion :: Computer Won't Boot
Jun 10, 2012
I have an older iMac, 20-inch late 2006. Model Identifier iMac5,1. Processor 2.16 GHz Core 2 Duo, 3 GB RAM. Running OS X Lion 10.7.4. Suddenly the computer has started to behave erratically. It has been crashing and will no longer boot properly. It will boot OK in Safe Mode, but I can no longer make it boot regularly. What can I do to make this work again. When I try to boot normally, I cannot get past an all white screen, after I hear the start up chime and see the Apple logo. I do have a feeling that OS X Lion is just too much for this computer, and I do plan to buy a new one very soon. Hopefully new iMacs will be announced tomorrow. In the mean time I do need to make this work, until I will get a new computer as soon as the new ones come out.
Info:
iMac, Mac OS X (10.7.4)
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May 25, 2012
I have a mid-2010 MBP. Earlier when I was not actively using it, it started beeping very loudly in evenly spaced intervals every few seconds. It seemed unresponsive, so I turned it off by holding the power button. Now it will not boot up. The little white indicator light comes on and I can hear the fans turn on, but that is it. It will not even go to the boot screen.
I had the logic board replaced about a week ago, but otherwise nothing new has been installed software or hardware.
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Mar 25, 2012
MacBook Pro 15" (15-inch Core 2 Duo) late 2006 this apple macbook boot lion from usb or firewire ext hdd or usb stick which of 3 better must boot Lion on ext device? or none at all?
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Apr 27, 2012
Last week I finally upgraded from 10.6 to 10.7, but now my Mac Pro (2008) won't boot properly. It'll start to boot with the gray screen and the Apple logo, but then the entire screen goes gray and it just locks up there. However, if I reboot and hold down the Option key to bring up the list of bootable drives that works fine. I've checked my Startup Drive settings and the proper drive is selected. why it won't boot on it's own anymore? Holding down the Option key is getting old.
Info:
Mac Pro - Octo Core, Mac OS X (10.5.6)
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Jun 25, 2012
I had purchased the new retina MBP and i used to have a macbook air. I moved all of my files over to my new computer (NOT using migration assistant, wanted a new setup) and i got everything but my keychains.How can i move my internet keychains over? BTW, the computer wont let me export internet keychains...
Info:
MacBook Air, Mac OS X (10.7.4)
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Aug 22, 2009
I inherited a PowerBook G4, 10.3.9, from the previous person in this job. I set up my own user account and log-in. Then foolishly I decided to rename the little house icon folder from the previous owner's name to mine. Now when I use my log-in a clean desktop comes up. In the user's folder is the house icon folder with the previous owner's name, and a folder with my name. All my documents are in that folder, so I haven't lost anything. But how do I get computer to boot back into my account?
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Feb 8, 2008
I have a Powerbook G4 with an error message when I boot. "You need to restart your computer. Hold down the Power button for several seconds or Press the restart button". Restarting the computer doesn't work.
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Feb 7, 2012
I have two usb hdds connected to a usb hub. I've never had any issue with it(the hub). After I installed the last update 10.7.3 everytime I restart my computer if I have the hub (with all my hdds and other devices) connected to my computer, the computer won't boot. It get up to the white screen (before the loading wheel). If I unplug the usb cable it starts booting inmediately.
Info:
MacBook Pro
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May 7, 2012
I was copying over a SD card via the SD Card read to my internal hard drive. Half way through it froze. And it wouldn't let me do anything. I removed the memory card and all I or was a spinning rainbow circle. So I powered off the MacBook manually (holding power button). When it started up again it came to the apple logo. And froze. So like a idiot I manually powered off the MacBook again. Next time it booted it showed me the stop sign.I tried to boot from cd (holding C while laptop starts), the disk spins but ends up hanging on a White screen. Now I don't mind reinstalling OS x over it. But I just need one folder from It. Is there anyway I can connect this MacBook to my mac pro browse the MacBook internal hard drive and copy over the folder I need?
Info:
MacBook Pro, Mac OS X (10.6.8)
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Jun 16, 2012
iMac will not reboot after reinstalling Snow Leopard. White screen and a folder icon with a "?" in the middle.
Info:
iMac, Mac OS X (10.6.8)
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Jun 19, 2012
My Imac won't boot up and keeps on saying I need to restart computer
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Jul 3, 2012
My computer doesn't boot up past a white screen with the grey apple on it.
Info:
MacBook Pro (13-inch Late 2011)
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Jan 16, 2009
I just installed the Corsair VSA4GSDSKIT667C4 G 4GB into my MacBook MB403LL/A and it will not boot! I tried to install and re-install 3 times and I can't get it to work!
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Sep 25, 2009
With my Macbook, I just did a software update to be able to use the newer version of AIM. So I let the updates install and the let the computer restart. So when I turn it on I keep getting this message: You need to restart your computer. Hold down the Power button for several seconds or press the Restart button.
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Apr 18, 2010
I'm going for a second drive in place of the DVD bay with a caddy. Can you partition the second drive and run Windows 7 via Boot Camp and boot from it ?
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May 3, 2010
My computer takes pretty long time to boot up and even though there is not much under /Library/StartupItems/ it still takes too much time.
mbp:~ alexus$ ls -la /Library/StartupItems/
total 0
drwxr-xr-x 6 root wheel 204 May 3 13:18 ./
drwxrwxr-t+ 70 root admin 2380 Mar 12 11:42 ../
drwxr-xr-x 8 root wheel 272 Oct 26 2009 IPSecuritasDaemon/
drwxr-xr-x 5 root wheel 170 Apr 19 12:31 VirtualBox/
drwxr-xr-x 5 root wheel 170 Sep 23 2009 tap/
drwxr-xr-x 5 root wheel 170 Sep 23 2009 tun/
mbp:~ alexus$
Where else I can look what's being executed upon boot? because under process I see BlackBerry's Daemon (I'm no longer BlackBerry user, I'm okay to leave Application, but I don't want it to boot up during startup) and I'm pretty sure there is other stuff as well.
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May 30, 2012
Why does my computer sometimes startup in safe boot
Info:
iMac Power Pc, Mac OS X (10.5.2)
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Aug 24, 2014
When I power the computer up, screen lights, but the computer does not boot up?
Info:
MacBook Pro, Can't check operating system
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Dec 29, 2010
07 Black Mac. 1 of the memory slots is flaky and computer will not boot unless memory is removed. Found local tech who said he could fix it for $100 or so. Does it involve changing actual memory slot? Or cleaning it?
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Dec 24, 2007
I get a message saying "You must restart your computer." (hold down the power key, blah blah).
I've researched a little bit, and apparently its indicative of a kernel panic.
It's not booting from CD either.... what's going on?
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Jan 11, 2009
I installed XP onto Boot Camp, so I can run some Windows games on it. At first, it didn't seem like it was that bad but after loading Sims 2, 2 expansion packs and 1 stuff pack it was a little... different. Windows still starts up pretty quick and everything, but in OS X... the performance has been decreasing slowly. Doesn't the things only affect the things in the Windows partition instead of OS X? Safari's performance wasn't as smooth as it used to be.
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Mar 22, 2012
My mac mini is coming up install boot disk and press any key. Now i have just put a new 500gb hard drive in and put new memeory in which is 2 x1GB
But i cannot get it too work i have tried the original Apple discs but still no joy.
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May 8, 2012
I upgraded the RAM in my Macbook (late 2007) and the computer won't boot. I have power but no video display. I put the old RAM back in and it worked fine. I was careful to order the correct RAM: DDR2 PC2-5300 667 MHz. Is it possible the memory is bad?
Info:
MacBook
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May 20, 2012
I'm using MacBook Pro 13" Late 2011 with 256gb SSD & OSX Lionafter I install boot camp + Windows 7 Professional when i restart to boot OSX it have blinking folder with question mark I've try using Option button to select drive but it have only internet recovery
Info:
MacBook
Pro, Mac OS X (10.7.4)
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Mar 26, 2008
I know there are already several threads with questions on how to wipe an ibook hard drive but this one is slightly different. I can't seem to boot my computer from the install disc that came with it. I turn off the computer, hold down c and get a folder with a question mark in it. However when the computer starts I can see the disc folders. I open up disc utility and can wipe the drive but is this really wiping it? I thought I had to boot up from the CD? I ask as I am selling my machine and don't want to think I have wiped something when I have not. I have also been through the same process (from the disc just running in the drive) to install OSX Tiger. But again how do I know if it has cleared all my old settings? Do I have faulty discs if I cannot re-boot from them. All I want to do is a clean and install.
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Mar 4, 2009
ok, i installed 4gb (2x2)of ram in my alum macbook pro 2,4ghz 15" and in the 1 first time i didn't took off the battery but it went well and booted ok, after that i turned off the computer and the next time keeped making noises.
i tried put the old ram and it's everything ok, i tried both ram slots and memoryes and the 1rs booted ok alone but the second didn't, what is happening, it's the second ram damaged or have you another explanation?
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Feb 8, 2010
Is it normal for my fan to be at 2700 rpm when I boot my computer. Once I reach the desktop the fans slowly decrease to 1900-2000. Is this normal?
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Feb 24, 2010
After many unsuccessful rounds of burning to DL DVDs and flash drives, I settled on making my iPod bootable and running it from there.So I'm excited and running my startup disk on my MBP as the iPod and I've connected my MBP to my iMac G5 PowerPC through firewire and enabled target mode. After booting into the iPod, it gave me the option to install to the new hard drive from the iMac G5 (which is currently connected to my MBP). I installed it through my MBP, and assumed it had installed to my G5.
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Dec 13, 2010
I have a friend who's oldish-Unibody MacBook Pro started giving him the folder with question mark-flashing symbol on boot-up. I guess it could be PRAM, but in any case, he wants to get his data off the hard drive. The computer wouldn't boot up from the install disk (holding 'c' on boot), all I have managed is to put it into Target Disk Mode, with my own MPB. The funny thing is, that it works, but all that mounts on my computer is the Install Disc (in his disk drive) and his hard drive shows up in my disk utility (see below), but it will not mount, and if I try to repair it, it gives me an error and DUPLICATES the original 'root' drive. Does this mean the hard drive itself is damaged and we need to go to a 'data specialist' to get everything off or is there anything else I could try?
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Dec 30, 2010
I am trying to create a partition with Boot Camp and install Windows XP SP2. Whenever i try to create a partition, the kernel crashes and i need to restart my whole computer, boot up from the OSX CD and then "Repair Disk" to get the lost hard drive space back. I had partitioned my HD last week, but then removed it, but now when i try it, it always freezes the computer. is there any way to solve this problem without my data being lost?
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