Is your time machine does not recognize hard drive? Looking for solution about the same? If so, then read this post for appropriate solution regarding this. As we all are familiar of the fact that Time machine is very good backup utility provided by Apple Inc. Sometimes due to somehow or the other user might have to face unexpected situation wherein the time machine does not recognize hard drive. This type of condition basically arises when Mac address is changed by changing network port. As a result of it, you will not be allowed to take or restore the backups of your Mac. So it is most essential to resolve this issue immediately. In such case you can follow the instructions of repair time machine after logic board changes. But if still the time machine does not recognize hard drive and you seem unable to restore your backup then use of Mac data recovery software is recommended. This application is an eminent solution for recovering of lost, damaged, corrupted and formatted files from Mac. It allows complete and safe recovery of file without modifying existing content of the file. You can even use its demo version for evaluation, however after using it the choice would be for licensed version definitely.