franciscolsantos

Q: Why can't i modify this partition?

Hey guys,

 

I'm having a lot of trouble creating a new partition in an external hard drive. It was the hard drive from my old macbook, and i have been using it as an external hard drive formatted in EX-FAT (with the GUID Partition thingy) and now I want to create a new partition in the Mac OS Extended (Journaled) format to create a bootable windows system in the external hard drive.

 

When I open the partition tab, it appears all greyed out, saying "This partition can't be modified".

 

Can anyone help please?

 

PS: I'm a super noob, so if you would please speak the common tongue and not use abbreviations I would be extremely grateful.

 

Screen Shot 2015-08-19 at 23.29.47.jpg

MacBook Pro, OS X Yosemite (10.10.5)

Posted on Aug 19, 2015 3:33 PM

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