Are you frustrated because of Time Machine not responding issue ? You were dependent on the Time Machine for all your backup needs on Mac that is provided by Apple. The Time Machine utility is in built and saves the backup at regular interval of time in an external drive called Time capsule. When you lost any of your Mac data due to corruption or deletion then you can restore it by using the Time Machine but sometimes you may face Time Machine not responding problem. Some of the known reasons for this can be that it is not connected well to the system, there is any software error, the backup was not updated properly, it is taking too mush time for preparing for the restoration or the backup process stops in between with an error. You can restore your lost data if you are able to find another backup facility if not you can use the Mac data recovery software that will scan the Mac hard drive for the lost file using its strong algorithm. It will recover all your lost data and you don't have to worry about the Time Machine not responding issue if you have this software.