This will make sure the Mac is powered off. Step 2: Shut down the Mac and wait for 1-2 minutes. Step 1: Insert the macOS bootable USB drive on a USB port of Mac computer. Open 'Security & Privacy' in the 'System Preferences' menu.Ĭlick the 'Allow' button next to the message, “System software from developer 'Samsung Electronics' was blocked from loading”. If the target Mac computer already had a macOS or OS X on it, then installing macOS from USB is straightforward and this is called the normal way.

Please note that the software for the T7 Touch and T7 is different from the software for previous generations of portable SSD (T5, X5, and lower).ġ Please refer to the following link for more details on how to find out your macOS version - Ģ.Ĝhange software settings in your system running macOS in order to use the software. The latest version of the Portable SSD Software can be found at. If you encounter a problem when running the Samsung Portable SSD software on macOS, please follow the steps below:ġ.Ĝheck which version of macOS your system is running and whether you have the latest version 1 of the Portable SSD Software (version 1.6.6 or higher). Since I used mobility ATI rom we have nothing from card on boot, but once osx booted - the card. To wipe your internal drive and to begin the process of saving MacOS to your Crucial portable SSD, go to this article, How to reinstall MacOS from MacOS Recovery'. 3) Install Mountain Lion to a flash drive or external drive. Is it possible to set up Mac OS X 10.8 (Mountain Lion) on a MacBook Air so that users cannot boot from external media (e.g. The issues vary depending on the macOS version. Here’s how to use your X8 or X6 external SSD as a boot drive for Mac computers.

Mac os boot from external