(Pull out your external hard drive without ejection violently.)Īll above reasons can make your external hard drive crash and unable to work. (Your external hard drive can be corrupted or inaccessible due to mechanical failures.) (Too high or too low voltages can make your hard drive fail to work.) (The system cannot detect or access your external hard drive successfully.) Here are common reasons that can explain why an external hard drive needs to be formatted. As a result, all your precious files are erased all of a sudden. Well, there are many other situations that you have to format the hard drive.
You may format your external hard drive without backup by mistake.
