The request could not be performed because of an I/O device error.

I had a 1TB WD Mypassport but having problem with corrupt Master Boot Record
Tried to repair my external hard drive using

bootrec /fixmbr
bootrec /fixboot

but i got this error message

"The request could not be performed because of an I/O device error"

any other alternatives?

OS: Windows 8
2 answers Last reply
More about request performed device error
  1. what happens if you plug it into a front port?
  2. still got the same error in front port.
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