Wd 10eads

hello
I have a problem with my WD external hard 10EADS sometimes it gets blocked and so I access the disk to restart the computadpr and sometimes gives me this error "Error: Unable to perform the request due to an error I / O device "already formatted the disk but still the same some one can help me.

Hello,

Have you try to connecting the drive into a different computer, also how about a differents SATA cables.