When you installed Windows last time, you deleted and/or formatted every partition on your Mac and erased everything. When installing Windows, you should only format the partition labeled “Bootcamp” and should not need to create or delete any partitions yourself. The Boot Camp installer will create the Bootcamp partition for you. If you wish to install Boot Camp again, follow the instructions for doing so here: Your Mac will be just as good as new when you’re finished. This will be when you connect your Time Machine backup drive and import your backup. Later in the install process, you will be prompted to transfer your information. You must delete all partitions on your disk and create one partition that fills the entire disk using APFS format. If you need to connect by WiFi, the system will prompt you for the network name and password first.Įven with a fast Internet connection, your Mac might take a LONG time to start, so be patient.Ĥ) Follow the instructions on this page beginning with step 2:īe sure to click through the link in that step about erasing your disk. If you are connected to the Internet by wire, you will see a large spinning globe icon appear on your screen. If you are able to plug your Mac into a wired network, do so WiFi will work, but will be much slower.ģ) Power on your Mac and immediately hold the Opt+Cmd+R keys.
You will be destroying your Windows install.Ģ) Shut down your Mac. You will need to start your Mac using Internet Recovery to reinstall macOS and restore your backup.ġ) If you have any files you need to back up in Windows, do this first. From your screenshot, it looks like you also formatted your Recovery partition.