I have a 21.5" Mid-2010 iMac i3 in which I am trying to install Windows 8 on. When I went into bootcamp, I received the ever so common error of:
When I went to the newly designed disk utility, it told me I had one partition. Of course, I knew this couldn't be true, so I went into terminal and typed "diskutil list" and got:
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Macintosh HD 498.6 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s6
4: Apple_Boot Recovery HD 650.0 MB disk0s5
Now, I did install an extra Yosemite partition, then deleted it using standard disk utility erase. I'm guessing thats why I have two covers partitions. Now, I'm pretty sure this is the cause of the Bootcamp issue, but I want to know:

When I went to the newly designed disk utility, it told me I had one partition. Of course, I knew this couldn't be true, so I went into terminal and typed "diskutil list" and got:
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Macintosh HD 498.6 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s6
4: Apple_Boot Recovery HD 650.0 MB disk0s5
Now, I did install an extra Yosemite partition, then deleted it using standard disk utility erase. I'm guessing thats why I have two covers partitions. Now, I'm pretty sure this is the cause of the Bootcamp issue, but I want to know:
- Which partition to delete
- How to delete it in a (preferably safe) way that would make my hard disk "clean" of everything but my main Macintosh HD partition