After jumping through several hoops for hours, I can finally add a document to the WD portable external drive but I can’t get it to do a full back up. Does anyone else have this problem? When I press ‘back up now’, I get an error message "unable to back up files to Passport Ultra;
Hello Ly001,
Maybe you should try contacting WD’s Technical Support about this.
To Contact WD for Technical Support
http://support.wdc.com/support/case.aspx?lang=en
