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 My computer won’t recognize the JDM855/850. The PCBA of USB to SATA adapter falls out of the JetDrive (420/500/520/720/725) enclosure. Is this normal? Does JetDrive USB-SATA adapter support UASP mode? Technische support If the answer can't help you, you can contact the Tech Support Department Starten