Macbook encryption hd not working update#
Macbook encryption hd not working upgrade#

I wonder if the SSD enclosure is somehow going to sleep when the PC restarts/shuts down without unplugging it? (there is no on/off switch for the HD enclosure). Also when I then restarted the Mac Air again and held down 'ctrl' the SSD no longer appeared. Although, a further problem has developed in that when I restart the Mac Air (having changed the start up disk to the external SSD in sys preferences) it boots again from the internal HD not from SSD. I wondered if it might be a faulty/incompatible enclosure but when i use the SSD with my MacBook Air and hold down 'ctrl' on start up the SSD was recognised and was able to boot it successfully on there. I've restarted with 'Ctrl' held down but the only drive that appears is my old mac HD. It is visible on the mac mini - i can see it in Finder & Disk Utilities and it also appears under System Preferences>Startup Disk (where I have selected it as the start up disk), however, I am unable to get the SSD to boot whatever I try.

For some reason the mac mini (late 2014) won't boot from this SSD.

Release the keys when the Apple logo appears. Steps are as follows: Step 1) Start or restart your Mac and immediately by pressing and holding Command + R keys. I've cloned my OSX (Big Sur) + Data from the HDD from mac mini (late 2014) to an external SSD Drive successfully to use the same instance with my MacBook Air. To encrypt Macintosh HD, the startup disk, you need to open Disk Utility in macOS Recovery mode.

Macbook encryption hd not working update#

I've successfully cloned the SSD from my mac mini HD using Carbon Copy Cloner software, however I am unable to boot my mac mini from the SSD. Booting from external SSD on mac mini (late 2014) a very strange behaviour occurs since my update to Big Sur. I bought a Posugear sata hard drive enclosure to house the SSD using USB 3.0 connection (in Disk Utilities its named as 'JMicron Tech Media'). Once decryption was completed I had full access to my hard drive, I backed it up and re-installed Big Sur without any issues. Restarting the decryption process was not easy.

Macbook encryption hd not working upgrade#

I'm running a mac mini (late 2012) as my office desktop on Catalina 10.15.7 and as it's slowed down and beachballing more frequently lately, so I decided to upgrade it with Crucial 16gb ram and a Crucial MX500 SSD 1TB to use as an external drive, I want to keep it external so I can also use it with my MacBook air. In another Terminal window enter the caffeinate command and keep the power plugged in.