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All replies
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Helpful answers
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Jul 25, 2016 6:18 AM in response to lsafelixby kaz-k,Boot in single user mode, then type "diskutil list /dev/disk0"
What does it say?
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Jul 25, 2016 6:29 AM in response to lsafelixby rkaufmann87,Please post the complete KP report. If you don't know how please read How to log a kernel panic for instructions.
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Jul 25, 2016 8:34 AM in response to lsafelixby lsafelix,rkaufmann87, Problem is i can't even get pass the apple logo upon boot. May be you can detail to me how to obtain KP report? Cheers
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Jul 25, 2016 8:38 AM in response to kaz-kby lsafelix,kaz-k, i see a bunch of logs then the iMac reboots by itself. It keeps repeating itself by rebooting after kernel panic.
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Jul 25, 2016 8:40 AM in response to lsafelixby rkaufmann87,If the computer will not boot at all you may have a hardware failure.
Do you have ANY antivirus, cleaning (MacKeeper) or ANY third party maintenance apps installed?
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Jul 25, 2016 8:45 AM in response to rkaufmann87by lsafelix,Nope, no 3rd party any virus is installed. In fact, no new applications installed for more than 3 months
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Jul 25, 2016 8:49 AM in response to lsafelixby rkaufmann87,Does it have a hard disk installed or Fusion drive?
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Jul 25, 2016 9:23 AM in response to lsafelixby rkaufmann87,My guess is the HD portion of the Fusion drive may have failed. You will need to take it into an Apple Store or Apple Authorized Service Provider to be worked on. Will it boot to the Recovery Partition. If you don't know how to do that, hold down Command + R on startup. If it opens that's a good sign, its possible the Fusion drive may have become unfused. Either way it means a trip to get it fixed.
You can also try Apple Diagnostics, Apple explains this in Using Apple Diagnostics - Apple Support
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Jul 25, 2016 9:41 AM in response to lsafelixby lsafelix,I already tried command+R and still got into reboot cycle. So I guess it is a bad sign. Since it is out of warranty hw much does apple charge to replace the fusion drive?
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Jul 25, 2016 9:48 AM in response to lsafelixby rkaufmann87,You will need to take it to them to find that out.
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Jul 25, 2016 9:50 AM in response to rkaufmann87by lsafelix,Apple Diagnostic did not detect any error >:
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Jul 25, 2016 10:25 AM in response to lsafelixby rkaufmann87,You still need to take it in for service. An Apple store will give you a complimentary quote after doing some diagnostics. Let us know what you find out after taking it in.
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Jul 25, 2016 2:48 PM in response to lsafelixby iCare,You mentioned you tried to boot using CMD-R in order to get into the recovery mode using the recovery partition on your storage device. I suggest trying to boot using the Internet Recovery Mode which requires holding down the Command (⌘) – Option (⌥) – R keys immediately up hearing the startup chime. Booting will take longer depending on the speed of your internet connection, however once booted you can use the Disk Utility and terminal apps per previous comments to evaluate your storage devices.
