مشکل با boot camp assistant

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سیستم مک من ۱۰.۶.۸
boot camp 3.0.4(325 ورزن

موقعی که میخوام برم واسه نصب ویندوز این ارور میاد

The startup disk cannot be partitioned or restored to a single partition.
The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows.

اینم مشخصات بارتیشنمه

   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *320.1 GB   disk0
   1:                        EFI                         209.7 MB   disk0s1
   2:                  Apple_HFS OS                      80.0 GB    disk0s2
   3:                  Apple_HFS Data                    80.0 GB    disk0s3
   4:                  Apple_HFS Data                    80.0 GB    disk0s4
   5:                  Apple_HFS Disk                    79.3 GB    disk0s5