I don't know what led to this, but when I plug in my external HDD to access the data, it keeps displaying the same error message: "You need to format disk in drive H: before you can use it. Do you want to format it?"
Windows Disk Management sees the filesystem as Raw, and I don't know whether it was NTFS or FAT. So how should I run TestDisk?
External drive format disk error.
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When asking for technical support:
- Search for posts on the same topic before posting a new question.
- Give clear, specific information in the title of your post.
- Include as many details as you can, MOST POSTS WILL GET ONLY ONE OR TWO ANSWERS.
- Post a follow up with a "Thank you" or "This worked!"
- When you learn something, use that knowledge to HELP ANOTHER USER LATER.
Before posting, please read https://www.cgsecurity.org/testdisk.pdf