Mac won't boot after attempted bootcamp use.

I attempted to install windows xp on my imac (leoppard). After being looped through the same cycle without any signs of progression, and being unable to exit the installation using the F3 command, I hard rebooted my computer. Once I restarted it, the mac chimed, but remained greyscreened. I attempted to unplug my computer, and met with no success. I tried holding down the x key- which I read on another thread, that didn't work either. I have no way of manually removing the xp disc from the disc drive, as its built into the moniter of my mac... what can I do?

not starting in safe mode. =0/ beginning to look like my poor mac may need an appointment with the apple store.
i did however get the disc out- i used the keyboard that originally came with the mac and held down its eject key upon restart. Now the only issue is that it will not fully boot.
Message was edited by: Amber0086

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Mac won't boot after power chord became unplugged accidently.

Mac won't boot after power chord became unplugged accidently.
I have a Mac Mini running very latest version of OSX. I was making a recording with QuickTime; when I needed to plug in a USB recording device into the back of the Mac Mini, as I pulled the Mac off my shelf to do this, the power cable came out and the Mac lost power.
I plugged it back in and powered up the Mac. I get the grey screen with Apple logo and the spinning grey wheel; then it goes to a blue screen (as usual) and I get the "starting OSX..." progress bar. When the progress bar finishes, I'm left with a blue screen only, no dock, no apple icon at top left, nothing across the top, no nothing.
So far, I've booted from the original disc and repaired the permissions as well as the disc, then re-booted, but same old blue screen.
I have another iMac G5 machine, so is there any way I can at least retrieve the important HD files from the Mac Mini to my G5, before throwing the broken Mac Mini away?
Can anyone advise please?

Hi, Nigel.
Not to differ with my colleagues here, but there's an important question that wasn't asked.
1. You wrote: "So far, I've booted from the original disc and repaired the permissions as well as the disc, then re-booted, but same old blue screen."Did Disk Utility report any errors it could not fix when you ran Repair Disk? I suggest you run the procedure specified in my "Resolving Disk, Permission, and Cache Corruption" FAQ. Perform the steps therein in the order specified.
2. You may also want to run the Apple Hardware Test that came with your Mini to be sure nothing shorted when the power cable was removed from the computer. I've seen it happen, hence I usually recommend removing the power cable at the wall before disconnecting the power cable from the computer. See my "Apple Hardware Test" FAQ.
3. Repair Disk gives your Mini a clean bill of health, the blue screen may be the result of some Startup or Login item that was corrupted due to the sudden power outage. My "Troubleshooting Startup and Login Items" FAQ can help you pin that down if such an item is causing the problem and may help you avoid and Archive and Install.
4. If you elect to go the Archive and Install route, see my "General advice on performing an Archive and Install" FAQ for some important tips on this process.
5. As FYI, this is the kind of problem that makes one glad they've implemented a comprehensive backup and recovery solution. For advice on the backup and recovery solution I employ, see my "Backup and Recovery" FAQ. Computing without a comprehensive backup and recovery solution is like driving without auto insurance.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

Mac won't boot after the latest update. It is loading the update and suddenly shuts down

My MacBook Pro won't boot after a minor update. The update was all fine and my Mac acted like it used to but when I tried to boot my Mac it just loads the the update then goes back to the Apple logo and then shuts down.
I hope that someone has got a solution because I do not want to restore my Mac for the 4th time.....

Hello JonasHallund,
We've an article that contains information and steps that can help get your MacBook Pro to boot again.
Troubleshooting: My computer won't turn on
http://support.apple.com/kb/TS1367
Cheers,
Allen

Mac won't boot after updating to OSX 10.6.4

I am on my 3rd Mac that won't boot after updating to OSX 10.6.4. One MacBook Pro and two iMacs. I fixed one but the last two are getting the better of me. HD is not fried. Have tried every keyboard shortcut on startup, Disk Warrior via. Target Disk, repairing permissions in single user mode. The machines will not boot off of a CD or DVD and it will not boot up in safe mode. Something in the startup files is preventing startup. I am suspecting Sophos antivirus. I tried to uninstall it and trash it but I think it's still blocking something. Any help would be appreciated.

Got it! Not sure if removing Sophos had anything to do with it but here's what I did.
1) boot dead machine in Target Disk Mode (iMac)
2) boot good machine off Snow Leopard disk (MacBook)
3) install OS to dead machine- I found this next part very curious. When the install was complete the MacBook restarted as the iMac.
4) ran software updates
5) shut down MacBook then shut down iMac
6) rebooted iMac- all was good
I actually did this twice because a co-worker had the exact same problem on her MacBook Pro. Got both fixed today.
Thanks everyone for your help!

Mac won't boot after leopard install

hi - installed leopard on my imac but now my mac won't boot:
i have already tried the following:
1) safe mode - but won't boot
2) single user mode - ran fsck - said no issues
3) did target mode with firewire cbale to my macbook and ran disk utility - no repairs needed - and i can see all my files on original computer
4) reinstalled leopard from holding down options key - leopard installed again
but for all of abv - when i reboot i still get white apple logo screen and the spinning wheel...
any other way to get into safe mode - as that is only thing i have not been able to start....
thanks!
susan

tigerswim, welcome to Apple Discussions.
Did you already have Tiger installed or did you have Panther 10.3 installed? Tiger is not a free upgrade; you have to buy it & then update (for free) using the download updates from Apple. Also, you have to use a universal/retail install DVD (or CDs) to install Tiger. You cannot use the install DVD from another model Mac.

Mac Pro 2006 won't boot after attempted cpu swap, Mac Pro 2006 won't boot after attempted cpu swap

I just picked up a used Mac Pro 1,1 (2006). It has 2x2.0 GHz dual-core processors and 5GB of RAM with the 7300GT card.
In this configuration, the machine was running perfectly. I, of course, wanted to upgrade....
I ordered a pair of 5160 3.0GHz processors cheaply and followed a video tutorial to install them. I used Arctic Cleaner and Arctic Silver 5 for the thermal paste.
Bottom line is: I installed the two new processors and when I fired it up, I could hear the fans, optical drive and hard drives all spinning (normal fan speed - NOT "jet mode", and the HD sounds like it's spinning - NOT like it's booting). NO boot chime and NO display. I popped the cover off and saw the CPU B FAIL light on. I swapped CPUs to test the processor, expecting to see the CPU A FAIL light come on. It did not. It just powered the fans/drives with no result (again, with no boot chime and no display).
To make a long and frustrating story short, I wound up putting one of the original 2.0GHz processors in slot A, leaving B empty (maybe I damaged the socket?) and IT STILL WILL NOT BOOT. I have tried all of my processors - the original 2.0GHz and the new 3.0GHz ones - with the same result. There are NO symtoms or indications - no error LEDs, no beeps - no indication why this machine will not boot.
I have reset the SMC, pulled (and replaced) the coin battery, and left it unplugged for over an hour. I have re-seated everything I can think of.
As of rigt now, I can hear the fans quietly humming with the optical drive making a quiet "click" sound as it seeks for a disk to read, and I can hear the faint chatter of the HD head. The power LED is nice and bright (no flashes or pulses), and there are no red LEDs on inside the case. The memory LEDs flash once during bootup and that's it (it's the RAM the machine came with). Pressing the DIAG LED button tells me the machine has power (green LED), has trickle (yellow LED) and the GPU light flashes green.
Of note, during the swap, I got a tiny bit of thermal paste (non conductive) on the contacts of my 2.0 CPUs - which I cleaned off with alcohol and let dry. The gold contacts all appear to be good on the original processors. I can't really see the tiny little pins in the CPU sockets (my eyes are not as young as they used to be!), but the "look" like they're all there.
I'm going to leave this unplugged overnight, but does anyone have any ideas?? If I managed to somehow destroy ALL of the CPUs, wouldn't I get a warning LED or beep or something? Ideas are welcome, as I cannot afford to replace this machine - it has to get me the rest of the way through college.
thanks
Richard

Hello Grant
>
Hardware sets the fans to maximum, and only properly-operating software resets them to "normal levels. If you have fans at normal levels, some software is running.
>
That's what I was thinking, but I'm not even getting the startup chime, and the HD sounds like it's powered on but not doing anything.
EDITED TO ASK: what software could be running at this point? Nothing has loaded from the HD, that much I know...
>Do you still have CPU A or CPU B failure lights?
No. I have just one original processor installed in the CPU A socket. No lights of any kind. (Even if I install an original processor in CPU B, I still occasionall will get a CPU B FAIL light, so I'm thinking I damaged the socket somehow...the light will not be consistent, but it's always the CPU B FAIL light - the light only turns on some of the time (and stays on once lit) - so that's why I pulled the B processor and am simply trying to boot with A alone)
>Do you have a flashing power on light, indicating failed or no memory?
Again, no. I can "make" the light flash by removing the memory riser, but when I re-install the riser, the light stops blinking (with power off during removal/install, of course!)
>Have you done the more severe SMC reset with the reset button OR:
unplug AC power.
Yes. I have used the SMC reset button 3 or 4 times. I unplugged the machine and left it (with coin battery installed) for an hour. The last thing I did last night was that I left it unplugged overnight (with coin battery removed). I have yet to attempt a power on this morning. I will do so and report back.
>
unplug AC power.
Press and hold power-on for a quarter minute to drain the power capacitors.
Re-plug AC power.
wait a quarter minute.
then power on.
>
Haven't done that one yet. (Didnt know about it!). Will try that second today, after attempting the initial boot up after leaving it unplugged all night. (fingers crossed) Of course, the capacitors are likely discharged now after being unplugged and battery-less all night, but you never know...
>Many things have to get synchronized after a CPU swap. It may take a half-dozen reset attempts before everything lines up again and goes.
Thanks for the hope. I will keep trying.
>
I recommmend you remove ALL distractions: all drives, all graphics cards, all PCI cards, all USB devices -- until you get the chime nothing else matters.
Already have done so. Last night I was down to 1 original CPU (CPU A), one memory riser with 1 set of original 1GB DIMMS, 1 bootable HD and nothing else (not even a keyboard/mouse - literally NOTHING else). Will keep trying in this configuration. All I really wanted last night was to hear the "bong" at power on!
Will do a bit more troubleshooting today and will report back.
Thank you!
Richard
Message was edited by: Richard Williams Jr

Mac won't boot after installing Kaspersky antivirus demo

when i turn on, the macbook pro has apple logo with spining grey thing but then it goes to just apple logo like normal and then it just stays like that instead of going into desktop?

I'm not sure that anything but a clone or Time Machine backup will work with Setup Assistant or Migration Assistant. Boot from the Recovery partition and use the Restore tab in Disk Utility. Drag your startup drive from the left pane (the indented icon that has your internal drive name) to the Source window. Drag the destination drive (the indented icon) to the Destination window. If you are copying to a drive with one partition this process will erase the destination drive. If you are copying to a partition on a drive with multiple partitions it will erase the partition you choose as the destination.
After the copying process is complete you can try booting from the cloned drive. Restart and press the option key after the startup chime. Keep the option key pressed until you see the Apple logo and spinning gear. Select the clone and click on Return to select it. If it boots run the Kaspersky uninstaller. Then download a copy of Carbon Copy Cloner (donationware) or SuperDuper! (free and paid versions). Use CCC or SuperDuper to copy the fixed clone back to your hard drive.
If the clone won't boot, and it probably won't, you will need to boot from the Recovery partition and choose to reinstall Lion. I haven't had to reinstall Lion or install it to an erased drive so if someone who has done so doesn't reply to this thread post a new question asking how to do it. It is my understanding that one is able to reinstall Lion over the existing installation or choose to erase the drive using Setup assistant to bring over your data from a clone. If you have to erase and install you will want to boot from the the Lion installation and clean off all the Kapersky stuff by searching for it (include invisible files in your search). Then you can use Migration assistant to bring your data back from your clone.
There is also a possibility that you can remove the Kapersky stuff by booting in single user mode. One you have your data copied to a bootable clone you could post a question about how to go about finding and removing the files in single user mode.

Mac won't boot after I pressed the power button for it to sleep

Ok so, I decided to take a break and instead of turning off my PC, I put it on sleep by pressing the power button...and screen obviously goes black.
After an hour and a half I decided to return to my PC...and on pressing the power button it won't boot (nothing: no sound or sign of life).
Thought it may be due to the battery, however seems like it's fully charged as when I connect my adapter to it, the led light is green....
What am I going to do???? And I don't download or watch films or anything of the sort!!!!!!

1. Reset PRAM. http://support.apple.com/kb/PH4405
2. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
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MAC WON'T BOOT AFTER INSTALL OF MOUNTAIN LION

I recently installed Mountain Lion to my macbook late 2009 model. Now it won't boot, goes into this cycle of trying to start and then off.

Try holding the Shift key when booting, to see if the system will start up in "Safe Mode" (by only loading essential services and extensions).

Mac doesn't boot after splitting BOOTCAMP drive under Windows 8.1

Macbook pro mid 2012, OS X Mavericks
I've installed Windows 8.1 x64 using Bootcamp assistant. In Windows I went to Disk Management and shrank drive C: from 200 GB to 94 GB and created a new drive D: from unallocated space.
After restart Windows doesn't boot giving some error and quickly restart. If I hold "Option" key I see only Windows. Mac OS X disappeared.
How to fix?

So, I've tried 1001 ways to recover. Nothing worked. Interned Recovery gives -2002F error. Macbook pro 2012 can't boot from bootable DVD to use DiskWarrior, Drive Genius or similar. It can't boot from OS X Lion install DVD. I had only Windows PC to fix this. So
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I could recover or backup my files using Paragon Mac Recovery Bootable DVD, but there was no need since it's my new macbook and I didn't have much files there.
Windows had changed the HD partition map from GUID Partition Table(GPD) to MBR. And made HD a "dynamic disk". This is why Mac Os wasn't able to boot.
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Macbook won't work after attempting Bootcamp

Okay, so I run Leopard on my Macbook and tried to partition 32GB and run Windows XP on my laptop.
All went well (despite having to repair my disk/permissions for partitioning) until I "finished" the Windows XP setup. As far as I know, I did everything right and it told me that it would reboot and put me through the next setup process (as it should) - but that's where everything went wrong. After rebooting - it took me to the same setup process as I did just before and did not bring me any further.
And so I set it up OVER my last setup and it did the same thing again. I decided to try and run Windows but just got a black screen and a blinking cursor.
I put in my Mac OSX installation disk to see if I could well... do something to get it working. No matter what I tried, I couldn't access my original OS and pressing option when starting the computer up only gave me the option of going to the startup disk, or nothing.
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No luck there though, as it simply spit my disk on startup and is continuing to do so. Now when it starts up, all I see is a white screen and I can't access ANYTHING.
Now there are plenty of questions I need to ask. First of, where has my OS gone and how do I access it? Do I need to reinstall it? (I have a backup, but I really don't want to have to reinstall it along with my software) I'd really like to access it and if I have to, just not bother with bootcamp on my computer.
OR, am I able to somehow start up the windows and access it from there? Actually, how do I access anything?
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Make sure you have used the right combination to boot into special mode..
http://support.apple.com/kb/ht1533
Try to access with Mac OS X and use Disk Utility to verify what's going on.
When you start using Windows Partition, after installing Windows, reject your CD until the Window comes out and says you need to put your cd in.

Mac won't boot after prohibited symbol

I'd like to thank in advance anyone that will bother reading this. My guess is there is something wrong with the logic board...
I believe my macbook is the early 2011 13" model. kitted with the i7.
Here is a sequence of maybe relevant, maybe not, events that happened before the issue:
1- I run bootcamp quite often
2- I had been running my macbook on clamshell mode for about 2 weeks, connected to an external screen and keyboard&mouse
3- I installed a large amount of plugins for pro tools (10-15Gb worth) the day of the incident.
4- The last time i shut down the computer, i changed the boot disk to mac OSX, under the bootcamp menu in Windows' control panel.
5- When I booted up the next day the boot was going fine until the prohibited symbol appeared, replacing the apple logo.
5.1- After some time, the screen went light-blue (the snow leopard color thing) and the computer suspended itself. (it usually does that when i run it in clamshell mode, right after it finished booting, presumably because the lid is closed)
5.2- The computer was unresponsive to mouse and keyboard input, so i unplugged it and opened the lid.
5.3- It went to desktop, but rather than a mouse, i had a static colored wheel (which i could move). The dock didn't come up, and everything was frozen.
6- I long-pressed the power button to shut it down.
7- When turning it back on, all i can hear is that growly sound from the optical drive/hard drive (not really sure tbh), and the screen doesn't turn on. I can also hear the fans running, and the CPU area heats up.
On a sidenote, i don't hear the traditional apple chime ever since i had HDD data corruption problems and had to run system recovery into a more recent OS. After which i reinstalled a snow leopard (10.6.8) via a system backup i had, which dated from 2011 (and that was this year).
So, is there a magical key combination that will resuscitate my mac? Does this look like a 500€ fix on the logic board?
Thanks for reading!

Also, i don't hear any hard drive read/write activity, so i'm not quite sure if it's spinning.

Mac won't boot after 10.4.6 install

I've just finally purchased Tiger. I did the install and now when it restarts it gets stuck at the apple and the twirling circle. I checked both the disk and permissions using the install disk utility. Everything was fine. So I reinstalled Tiger and ended up with a red circle with a line through it. So I reinstalled again and got as far as the apple and circle again. Can anyone tell me what is going on? I've used Macs since the Plus. Help! Thanks
Craig
PS - I'm trying to go from 10.3.9 to 10.4.6

BTW my os9 disk boots and runs wonderfully. That said I have 25% free space and the memory is Kingston. I have a G4 400mhz with 384 meg ram that runs fine under osx 10.4.9. Perhaps the osx drive is about to die or I just need to erase it and start over. When booted verbose it gets to Launchd and stops with errno 2. The installer disk is a non specific family pak. Should work fine with this machine. I'm checking the hard drive today even though TTPro says it is ok. I'll post back.
Craig

Mac Won't Boot after Boot Camp Windows Update - Macbook Pro Mid 2010

Hello All, and thanks in advance for any assistance you can provide.
I have a Mid 2010 Macbook Pro. Last year I upgraded the RAM, then this year I decided to upgrade the hard drive to an SSD-hybrid. Everything went perfectly smoothly with both upgrades, and I was a happy camper.
I had also installed Boot Camp with Windows 7 and everything worked perfectly. Then last night, I boot in to Windows 7 and it gives me a 'service pack update'. After installing it, I had to reboot my computer. Rebooted it and it accidently started booting OSX. No problem, I thought. I held down the power button, and booted back in to Windows. The service pack installation continued and it had me restart my computer an obscene amount of times during the installation. This is when I initially thought "this is weird".
Finally the service pack installs, and I'm able to use Windows 7 again. Then I shut down the machine and tried to boot back into OSX. No dice.
Here's how the OSX booting process goes:
First, the Apple logo appears, then what appears to be a progressive loading bar at the bottom. After a few seconds, the loading bar disappears. Then it's just at the Apple booting screen with the spinning wheel/gear and sits there indefinitiely. I let it sit there for over an hour last night and nothing happened.
Any suggestions? I tried resetting the NVRAM and the SMC.
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It looks like a hard disk problem. Press Command and R keys on boot, open Disk Utility, select Macintosh HD in the sidebar and repair your drive

Mac does not boot after installing bootcamp

hello
installed bootcamp on my mbp with snow leopard today,for the first time mac and windows both started with no problem ,but when i was trying to boot back into the mac again ,it did not boot and just got stuck at the process with turning wheel forever ,showing the apple logo and the turning wheel.
i did try to hold the option button and chose the mac partition ,but again i can not pass thru the turning wheel and apple logo.Does anybody know what the problem is and how can i go beyond this .
thanks.mike

Csound1 wrote:
Have you tried a safe mode boot yet?
Reboot to the OSX partition and hold the shift key down as soon as you hear the chime. You can release the shift when you see the spinning gear wheel.
yes,i did try that too.unfortunately ,hard drive seemed to be the source of the problem.just replaced the hard drive with a brand new one and put this one inside a usb enclosure that i have ,so tomorrow i will get a backup first and then format it again and keep it for the future.
thanks.mike

Mac won't boot after attempted bootcamp use.

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