You Need To Format The Disk Before You Can Use It

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This is one very common failure of USB hard drives, when users try to connect the USB hard drives to PC by USB cable, users get the messages below:

You need to format the disk in Drive I: before you use it. Do you want to format it?
After this message comes out, users cannot enter the drive and view the files inside at all.
format-hdd-external

The engineer removed the external enclosure and inside the enclosure it is one Seagate 5400.6 hard drive.
Momentus 5400.6 320GB
ST9320325AS
5VD46YZF

usb-hdd-recovery-02

The user connected the hard drive to DFL-SRP USB3.0 for data extraction, the drive to get ready directly.

usb-hdd-recovery-01
ddp-recover-my-lost-data-easily-seagate-external-1

The good news was that the engineer went to file extraction menu and all the folders and files are listed under DFL device.

ddp-recover-my-lost-data-easily-seagate-external-2

All data is out by connecting to Dolphin SRP data recovery tools! Any question is welcome to [email protected] or add Dolphin skype ID: dolphin.data.lab