As an external hard drive user, you are possible to encounter such problem: when plugging your external hard drive into a computer, Windows prompts "You need to format disk in drive before you can use it. Do you want to format it?" or "The disk in drive is not formatted. Do you want to format it now?"
External hard drive not formatted error may be caused by sudden power outage, improper ejection or other inappropriate operation, virus attack, bad sectors, etc.
It might be healthy when checking in Disk Management, but the drive has no file system. This phenomenon is called RAW drive, which means your hard drive hasn't been prepared for use with your Operating System or it has been damaged and the data is no longer readable. In this situation, it's noteworthy that we shouldn't format corrupted external hard drive before recovering data from it. Otherwise, we will lose the data.
Before fixing external hard drive not formatted error, we need to find a professional data recovery software and recover data from external hard drive not formatted.
iBoysoft Data Recovery is a free data recovery software that can efficiently recover data from external hard drive not formatted, USB flash drive not formatted, SD card not formatted, memory card not formatted, and recover data from RAW, formatted, inaccessible, corrupted external hard drive, hard drive partition, USB drive, SD card, memory card, recover deleted files even if emptied from Recycle Bin, recover data from deleted or lost partition, etc.
Step 1: Recover data from external hard drive not formatted with iBoysoft Data Recovery
Besides to solve external hard drive not formatted, iBoysoft Data Recovery can also recover data from formatted partition, recover data from formatted external hard drive, recover data from inaccessible hard drive, recover data from inaccessible exteral hard drive, etc.
Step 2: Format external hard drive
After the lost data has been successfully restored, we can format the external hard drive to NTFS/FAT32/exFAT file system, external hard drive not formatted error will be fixed after format completes.
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