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Coudnt Modify Partition Map
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Hey Guys, 

I'm new Out here...

I have 4 paritions on my computer and I have allocated one for my Windows 7 and one for Mac OS X.. Now the problem is that when I boot Niresh setup from my flash drive and open up the disk utility to format a partition to mac os x journaled i get an error saying that 

volume erase failed, coudnt modify partition map... I have also tried up things with gparted, easeus and other softwares, tried converting ntfs to hfs+ but still i get the same thing... But one more thing when my computer's hardrive was empty that is there were no partitions i didnt get this type of error... maybe windows is messing up with the installation... PLease help me... I could erase my hardrive but i dont want to loose my important windows software....


Volume erase failed

could not modify partition map


My specs are 

i5 4440, (HASWELL)



Gigabyte B85M-D3H


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