keep your data

Prior to presenting these methods, you should first check if your external hard drive is caused by physical or logical failures.

For physical failures The computer can no longer identify the hard drive, You do not have the means to access it. It is necessary to send your external hard drive in the clean room and start the analysis of the hard drive by a computer technician handyman. But this data recovery service will be expensive.

For logical failure The external hard disk can be detected after connecting to the computer via the USB port. But there is no access to open the hard drive and files. Under this situation you can use data recovery software and scan your hard drive. This tool requires much less expense and less time.