crwdns2933803:01crwdne2933803:0
crwdns2933797:0Arthur Shicrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Arthur Shi
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| [* black] With the device powered off, disconnect any external hard drives and flash drives. | |
| [* black] Plug in your [guide|66371|iOS High Sierra bootable flash drive]. | |
| - | [* black] Hold down the ***[option]*** key on the keyboard and power on the device. |
| + | [* black] Hold down the ***[option]*** or ***[alt] (⌥)*** key on the keyboard and power on the device. |
| [* black] When you see the boot selection screen as shown, release the ***[option]*** key. | |
| [* red] Use either the keyboard's arrow keys or the mouse to select "Install MacOS High Sierra." Press ***[enter]*** or click your selection with the mouse. |