Q: Hello ,I've Installed win7 using bootcamp and after that I used win7 disk management to make another partition . I,ve used - boot camp - chose shrink volume creating another partition but after that I lost my mac and recovery partition and became as raw .

What occured is the Windows partition software is not designed for Mac GUID partition map as it doesn't know what it's looking at, so it changed the GUID table and eliminated the Macintosh HD and Recovery HD partitions. One sure way to fix this is a complete wipe of everything and reinstall.

All your data is of course lost, if you don't have a backup then you need to do this first to recovery your data.

Create a data recovery/undelete external boot drive

Then hook your Mac preferabbly via Ethernet cable to your router/modem (power off/on) and hold command option r keys down and reboot to load Internet Recovery, or hold option and boot off the 10.6 disk.

Use Disk Utility to select the entire drive and the middle erase option if presented, erase.

Quit and install OS X from Apple's servers or upgrade to latest OS X via AppStore.

If this is too geeky for you, take the machine to a local PC/Mac software repair shop and tell them what happened, that you need data recovery also.

They might have a trick up their sleeve to rebuild the GUID partition map via command line guru action, but not many here know it or willing to risk telling you as it's potentially dangerous.

Simple fact is you have to Erase The Total Drive. In other words you have to lose all info on the drive and start over with first the installation of Mac OS X then reinstall Windows with boot camp.

Then Do NOT use Windows or Mac OS X to change the partition created for the install of Windows.

MhAhZn wrote:

 

Is'nt there any way  to create more than one partiton without changing  ( GUID partition map ) ,

The GUID partition map is what tells the hardware what partitions are on the drive and what format they are, so it will be changed when you create partitions, however not by Windows software or by the 10.6 Disk Utility as it doesn't know about the other partitions 10.8 creates and about the hidden EFI partition.

How to create another partition.....so I've got the choice to create only (C:) Driver with the full space.

With 10.8 and the BootCamp software all you can create is one more partition

So the layout is this

GUID Partition Map (hidden)

1: EFI Partition (hidden)

2: OS X "Macintosh HD" partition (visible)

3: BootCamp partition (visible)

4: Recovery HD partition (hidden)

Now with Internet Recovery since it's downloaded into RAM from Apple's servers it should be technically possible to create more partitions as one can affect changes to the entire drive in Disk Utility only with Internet Recovery.

You won't be using BootCamp to create the BootCamp partition, but rather Disk Utility in Internet Recovery.

Select the entire drive on the left and click Partitions and select 3.

1: OS X parttiion "Macintosh HD" formatted OS X Extended  Journaled

2: "BOOTCAMP" formatted MSDOS (aka FAT32)  Later to be changed to NTFS by Windows 7 installer (need to have the exact name)

3: "New Partition Name" formatted likely exFAT for over 4GB sized files and compatability with Windows and OS X.

Now Disk Utility is not going to show GUID, EFI or Recovery HD partitions nor allow you to change those only by erasing the entire drive will that occur.

So your new layout will be  (note technically GUID is not a partition, but I displayed it for clarity)

GUID (hidden)

1: EFI (hidden)

2: Macintosh HD

3: BOOTCAMP

4: exFAT

5: Recovery HD (hidden) (may or may not be installed when 10.8 is)

Once you have this setup, then quit Disk Utility and install 10.8 into the Macintosh HD, the installer may balk at the partition configuration and tell you it can't install the Recovery HD and no Filevault but should install OS X into Macintosh HD. If this occurs you'll always have use Internet Recovery or you can create a bootable Recovery USB thumb drive. (But obviously it has to copy a present Recovery HD, so that means no custom partition scheme, to install 10.8 normally, then copy the Recovery HD, then start over from the top to create the custom partition scheme, isn't Apple just so wonderfully complicated now?)

http://osxdaily.com/2011/08/08/lion-recovery-disk-assistant-tool-makes-external- lion-boot-recovery-drives/

Now it all depends upon the proceedure to install Windows 7 into BOOTCAMP partition, like before you have to change the MSDOS (FAT32) format of the BOOTCAMP partition to NTFS to install Windows 7 and get the Mac hardware drivers etc.

Use Carbon Copy Cloner and a blank external drive to clone the Macintosh HD partition, you can hold down the option key and boot from this clone.

Use Winclone 3 (runs in OS X) to clone the BOOTCAMP partition to another blank external drive. It won't be bootable and I don't know how Winclone will treat the partitions due to their unsual configuration, so I would be cautious about resizing BOOTCAMP.

This way if you need to monkey things around you can easily boot from the CCC clone and reverse clone either the OS X clone or the WinClone back on the internal drive or effect changes on the entire drive which can only be done from another bootable drive (or program in RAM like Internet Recovery)