Start the Boot Manager

Hi all

I installed Sierra but need to wipe my drive to improve performance and have implemented the installer of macOSSierra on a USB key and necessary to reach the Boot Manager to start the installation.

I think you hold down the Options/ALT key during restart to get to the Boot Manager, but nothing happens when I do that - it just goes to the login screen. I use a small apple wireless keyboard and wonder if it is active during the early stages of the startup?

What I am doing wrong?

Thank you in advance.

Julian

When you use a wireless keyboard, you have to wait until after hearing of the Mac startup sound, then press on and hold the option key.

If you hold down option from the start key, the Mac will not see depression key because the function Bluetooth does not become active until after the initialization of the Mac hardware.

You can find more details here: Mac OS startup keyboard shortcuts

Tom

Tags: Mac

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