I have a WD external 1 GB external hard drive with Ntfs systen. I try to reformat it with disk tool to OS x extended. But disk tool can't do it. What do I do wrong
You need to erase it to re-format it.
Tank you for the answer. The Disk yool erased it, but when the formatting started it showed "formatting failed. I have tried several times. It must be something I do wrong
Sounds like that hard drive is damaged.
Retrieving data ...