I suggest you use the Partition Assistant to finish the operations—delete partition, format partition and so on. And I am very glad to introduce a detail article about these operations to you-- Guidelines on how to partition a hard drive by Creating, Deleting, Formatting and Resizing Partition. Not only you can solve your problem, and also you can get such helpful and useful information from the article.
Have a try; this software has free edition, experience its superiority in advance, just as I used to do. Ha-ha, good luck!
Have a try; this software has free edition, experience its superiority in advance, just as I used to do. Ha-ha, good luck!