Why does my Mac computer take longer to boot after I upgraded it with JetDrive SSD? Category : Setup / Operation After upgrading your Mac with JetDrive SSD, please reset the "Start up Disk" by the following steps:1. Find "System Preferences"2. Click "Start up Disk"3. Unlock and set the disk you would like to use as start up disk 4. Reboot Is the answer helpful? Related How can I enhance SSD performance if my operating system does not support TRIM? JetDrive fails to restore operating system and the partition of the original drive is grayed out. What can I do? Why can't JDM500 reach 6.0Gb/s on the late 2010 MacBook Air 13-inch? Technische support If the answer can't help you, you can contact the Tech Support Department Starten