Drive external hard used on the windows computer wants me to format the drive after use on a mac

To get into the details, I have a 1 TB western digital hard drive that I used for a few months to work on a laptop running windows 7. One of my friends using a macbook borrowed my hard drive and now when I plug it into my laptop I got the error message "you need to format the disk in drive d, until you can use it. The options are to format or cancel it. If I have to cancel it, give me the D:\ message is not accessible. The disk structure is corrupted and unreadable.  This is the drive I have months of data to work on it and I need to be able to use it as soon as possible.


Run as administrator command prompt and run the following command to repair the disk structure.


It will correct the errors on the disk by removing the volume. Once the process is complete, try to access again.

Tags: Windows

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