I am asked to format my external hard disk ?

[summermaple]

Hello,i got a prob now..my external hard disk got my impt files and data. but after i connect to my pc, i cannot open it and it asked me to format it..but i cant do it, if not i will lose everthing..what can i do and may i know why it happens?

 

[FreeDataRecovery]

Try it on another computer.

You may have lost your partitioning info. You can restore it with Testdisk.

http://www.cgsecurity.org/wiki/TestDisk