Apple Mac macOS 的重新安裝方式

關機後，按開機鈕，接著按下以下組合鍵

Command + R
(重新安裝預設的 macOS 或是內建最新版本，且不在安裝中升級至網路最新版本)

Shift + Option + Command + R
(重新安裝預設的 macOS 或是內建最新版本，僅適用macOS Sierra 10.12.4 以上版本)

NVRam 的重置
https://support.apple.com/zh-tw/HT204063

製作USB開機碟重新安裝系統
https://support.apple.com/en-us/HT201372

 組合鍵參考

https://support.apple.com/zh-tw/HT201255

製作catalina開機光碟之機器也需升級至該catalina版本

從網路下載後 

http://3ctipsmemo.blogspot.com/2019/02/mac-os-x.html

https://isoriver.com/macos-catalina-10-15-iso-dmg-image/

跟隨原廠指引

https://support.apple.com/en-us/HT201372

後如下圖


 

 

 

 

參考資料
https://support.apple.com/zh-tw/HT204904


 

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