ufhack.blogg.se - How to instal mac os sierra

Press the power button while holding down the Option key. To use the installer, turn off the Mac you want to upgrade. Once it is finished, you will be returned to you may quit Terminal.

It will erase your USB drive, rename your flash drive, and then copy the installer files. Read the output information displayed in terminal to follow the progress.

Next you will be prompted to enter “Y” to proceed. Note: You must be an administrative user on the Mac in order to run this command. You will be prompted to enter your password. Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/ MyVolume –applicationpath /Applications/Install\ macOS\ Sierra.appĪfter replacing “MyVolume” copy and paste the entire command into the Terminal app. Then change the name of “MyVolume” to the name of your USB Drive. Change this name with the name of your USB Drive.Ĭopy and paste the following example into Notes or TextEdit. The flash drive called “MyVolume” will be completely overwritten. In many cases this will be in your Applications folder. Replace volumepath with the path to your USB flash drive or other volume, and replace the installer path with the path to the Install macOS Sierra app. Use the following example. This is the basic syntax of the command. This can be found by going to the LaunchPad and looking in the “Other” folder. This flash drive will be used for the create a Mac OS Sierra bootable installer. Insert it into one of the USB ports on your mac. Back up any files you want to keep off the drive as it will be erased. Next find a USB flash drive that is at least 8GB or larger. If you get a pop up to install Sierra, simply ignore it or force quit the install from the Apple menu. (Other OS X versions click here.) Steps to Create a Mac OS Sierra Bootable Installer Get the latest installerĭownload the latest macOS Sierra Installer from the AppStore. These steps will walk you through the process. You can easily create a Mac OS Sierra bootable installer on a USB flash drive using Terminal.