

How to start up your Mac from an external USB storage device Tip: You can easily burn a bootable image of macOS to a DVD using Disk Utility. You can also press the left mouse button on a wired mouse during startup to open the disc tray. Your Mac should start up from the macOS installer CD/DVD media. How to start up your Mac from a bootable CD/DVDġ) Firstly, turn on your Mac, or restart it if it’s already on by choosing Restart in the Apple menu.Ģ) Secondly, press and hold the C key on your keyboard immediately upon hearing the startup chime.

Double-click on that icon and you should be able to see the contents of the disc.

On your MacBook Air, within the Remote Disc window, double-click on the name of the Mac that has the media drive. Into the Mac with the media drive, insert a data CD or DVD. Select it and you’ll see any Macs on your local network that have a media drive. On your MacBook Air, open a Finder window and look for the Remote Disc entry under the Devices heading. Enable DCD or CD Sharing on the Mac with the media drive Unless you’re concerned about others on the network accessing discs in your Mac’s media drive, leave this option on. By default the Ask Me Before Allowing Others To Use My DVD Drive option is enabled. not your MacBook Air), launch System Preferences, select Sharing, and in the Sharing window enable the DVD or CD Sharing option. Now, on the Mac that has the media drive (ie. To begin, your two Macs must be on the same local network.
