Recently, I handled a Macbook,The data on the hard drive had been completely erased,Not even the partitions were left,I was wondering how to install Mac OS like this,After checking online, I found out,It turns out Apple's OS can be downloaded and installed directly from the internet,This surprised me quite a bit,Instantly, my impression of Apple products improved significantly,因為實在太人性化了。接著要準備選擇磁區安裝時,卻沒有出現任何硬碟項目讓我選擇,本以為硬碟有問題,上網爬文後,才知道只是沒建立磁區而已,且透過開機內建的磁碟工具即可解決。

1. 選擇”Disk Utility”

2. 在左邊的”Internal”選擇你的硬碟,並點選上方的”Erase”

3.
Name: 輸入自己想要的磁碟名稱。
Format: 選擇”Mac OS Extended (Journaled)”
Scheme: 選擇”GUID Partition Map”

4. Back to the OS installation process,You can select the partition you just created。

【參考連結】
- There is no disk for me to select when it says … | Official Apple Support Communities
- How to install macOS – Apple Support
- Mac startup key combinations – Apple Support








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