Please help urgent!!!! iMac can't read internal disk

[xayx]

Hello everyone,

I am sitting helpless with a non working new imac and i have no idea what to do.
I have a 3 tb hardrive imac and i wanted to install windows on it.
Since bootcamp dont support 3tb, i followed some instructions that i fount on one of threads here. I deleted some volume disk and when i tried to create a bootcamp disk(these were all done on recovery mode with terminal) the terminal would give me an error couldn't unmount disk and i accidentally quit terminal so i don't have any disk information anymore. I tried to install osx but the imac can't read any internal disk. what should i do.
Is the any way to turn my imac to factory default??

 

[2012Tony2012]

Bootcamp made my iMac unbootable and I will never touch bootcamp again

I had to restore the iMac using the original DVD.

 

[xayx]

I didn't use bootcamp...

 

[simsaladimbamba]

You have to perform a clean install via Internet Recovery (CMD+R after startup) probably.

• How to Clean Install OS X Mountain Lion
• How to Do a Clean Install of OS X Mountain Lion

As for doing such things, next time create a bootable clone via CarbonCopyCloner or SuperDuper! and an external HDD.

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[xayx]

Thanks the hard drive was named as untitled after doing all the things in terminal so i erased the untitled disk in disk utility and tried to see if the disk showed in reinstall mountain lion or not and it showed!! So im installing mountain lion again and hopefully my imac would work but im not so sure yet since this was a guessed procedure... I'll keep updating in the process

 

[xayx]

Update

The imac is running fine now that i reinstalled mountain lion. So i wanted to make sure it was running fine and i hadn't done something to my hard drive or anything. I checked the diskutil coreStorage list in terminal and it couldn't check any logical volume. Is this normal? If not is there any way to fix this?

 

[icapricorn]

If you're still feeling adventurous, there seems to be another way to get bootcamp on a 3TB drive. I have not tried this myself. In fact, I ordered the new iMac purposely with the 1TB fusion so I could use bootcamp without problems. But the link below gives a clear explanation and the steps are not complicated.

http://tinyurl.com/b9njbrf

 

[FreemanW]

I don't understand why anyone would hose a perfectly good computer or ditch a drive configuration option when you can use a Virtual Machine environment like Parallels or Fusion.

 

[Acorn]

I don't understand why anyone would hose a perfectly good computer or ditch a drive configuration option when you can use a Virtual Machine environment like Parallels or Fusion.

because many use windows for gaming. gaming sucks in a virtual machine. The best fps in gaming is by booting into windows natively via bootcamp.

 

[FreemanW]

because many use windows for gaming. gaming sucks in a virtual machine. The best fps in gaming is by booting into windows natively via bootcamp.

I did not know that . . [/Johnny Carson]