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 Why do I get a blue screen with an error message, "STOP 0x0000007B INACCESSABLE_BOOT_DEVICE," when installing Windows 7/8/10 OS using the SSD? What should I do if I have difficulties fastening the screws on the JetDrive enclosure? When I try to restore my MacBook Air/Pro, an error message "Couldn’t get target recovery partition information" appears. Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started