How to fix and recover data from corrupted external hard drive?

I have 400GB external hard drive and give the following message when plugged to the computer "Drive is not accessible. The file or directory is corrupted and unreadable." How to recover data from corrupted external hard drive? please help me, thanks.

Generally, an external hard drive can be corrupted physically and logically. Physically corrupted external hard drive often indicates the permanent data loss. If this external hard drive is physically damaged, you'd better send it to a data recovery company and pay some money to get data back.

However, the logically corrupted external hard drive often can be fixed by formatting. The internal data also can be recovered via data recovery program. If an external hard drive is logically damaged, luckily, you can try the professional data recovery software to recover data from corrupted external hard drive and then format this corrupted external hard drive to see whether it wil be working as before.

How to fix corrupted external hard drive and recover data?

Free data recovery software

M3 Data Recovery is a free data recovery software which can recover data from formatted, corrupted external hard drive, hard drive, pen drive, USB flash drive. It can also recover deleted files, recover data from formatted drive, recover data from RAW partition, recover data from deleted/lost partition, etc.

Tutorial to recover data from formatted, corrupted external hard drive with M3 Data Recovery

Step 1: Download and install M3 Data Recovery on your computer.

Step 2: Connect the corrupted external hard drive to your healthy computer as slave drive and then launch M3 Data Recovery.

Step 3: Choose "Data Recovery" module.

Free data recovery software

Step 4: Select the corrupted external hard drive which you want to recover data from and click Next to scan the lost data from corrupted external hard drive.

Recover data from corrupted external hard drive

Step 5: Recover data from corrupted external hard drive.

Fix corrupted external hard drive

After data recovery from corrupted external hard drive is successfully done, right click this corrupted external hard drive in My Computer or This PC and select "Format..." to format this corrupted external hard drive, it will be working again after format completes. If windows is unable to format it, maybe it has been physically damaged.

Related data recovery solution: