If you have replaced the Hard Drive on Mac with a New SSD Drive, you need to format the disk to APFS format.ġ. To replace 2015 MacBook Pro Hard Drive with SSD, you can refer to this ifixit guide and you should also watch YouTube videos applicable for your model of MacBook. The steps to replace 2014 Mac Mini Hard Drive with SSD can be found in this ifixit guide and you should also watch this video on YouTube. To upgrade MacBook Pro to SSD, you will be needing a New SSD Drive, P5 Pentalobe Screwdriver, T5 Torx Screwdriver and Spudger. To upgrade Mac Mini to SSD, you will need a New SSD Drive, TR6 and T8 Screw drivers, Logic Board Removal Tools and Spudger. Now that you have a Time Machine Backup on a separate external drive, you can safely remove the current Hard Disk on your Mac and replace it with a New SSD Drive. Replace Existing Hard Drive on Mac with SSD Drive If you are making a Time Machine Backup for the first time, it may take multiple hours to complete the Backup process. After the disk is formatted, click on Backup Now to start the process of Time Machine Backup. If the selected disk is not formatted, you will be prompted to erase the disk first.