etcsoftgo.blogg.se - Make a usb boot drive for mac sierra

#Make a usb boot drive for mac sierra for mac os#

If you want to start over and wipe out the data, you need to go into Disk Utility to reformat the internal drive first, and then install macOS Sierra. TransMac creates a macOS USB bootable drive warning. If you want to install Sierra and leave the data intact, select Install OS X.

Your Mac will display an OS X Utilites window.

(You don’t need to select a network to proceed.) Click on the external drive and hit Return.

#Make a usb boot drive for mac sierra for mac os#

SUPPORTED MODELS FOR MAC OS X: iMac Late 2009 or. After a few moments, your Mac should display the Startup Manager, which will show you the available boot drives. Please do not buy it if you are not sure and to avoid being disappointed and affecting my feedback Thank you.Press down on the Option key while the Mac boots. Plug your external drive into your Mac.You can quit Terminal and your drive is ready for use. You should see Terminal display a “Copy complete” and Done notice. Creating the installer will erase all data on the USB drive, so make sure to back up any existing data that may be on the drive. Terminal will copy the installer file to your drive. To create a bootable macOS High Sierra USB installer, you need a USB 2.0 or USB 3.0 drive with a capacity of at least 8GB.When that part is done, your Mac may ask you if you want to use the drive for Time Machine. You’ll see that Terminal erases your drive.To confirm that you want to continue, type Y and hit Return.

Terminal will tell you that it will erase your drive.

Terminal doesn’t display characters when you type it in.

Go back to Terminal and paste the copied code at the prompt.

Sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install macOS Sierra.app

Launch Terminal (/Applications/Utilities/Terminal.app).

If your drive is named something else, you need to change Untitled to the name of your drive.) (In the Terminal command you will use, I use Untitled to represent your external drive.

Connect the external drive to your Mac.