The partition you tried to delete is a system partition. System partitions may contain diagnostic or hardware configuration ...

The partition you tried to delete is a system partition.    System partitions may contain diagnostic or hardware configuration  programs, programs to start operating systems (such as Windows),  or other manufacturer-supplied programs.    Delete a system partition only if you are sure that it contains  no such programs or if you are willing to lose them. Deleting a  system partition may prevent your computer from starting from  the hard disk until you complete installation of Windows.       To delete this partition, press ENTER.      Setup will prompt you for confirmation before      deleting the partition.       To go back to the previous screen without      deleting the partition, press ESC.
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