Cari porta USB di komputer Mac. Tancapkan salah satu ujung kabel cakram keras eksternal ke porta USB. Tancapkan ujung kabel yang lain ke cakram keras eksternal. Buka Spotlight. Buka Disk Utility. Pilih cakram keras eksternal. Klik Erase. Klik kotak buka-bawah "Format". Pilih sistem berkas yang diinginkan. Klik Erase. Klik Erase saat diminta.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
You'll usually find the USB port on the sides of the housing (MacBook) or on the back of the monitor (iMac). If the cable uses a USB 3.0 connection, it should only fit one way. USB-C connections can be inserted in any way that fits the port. The other end of the cable will usually be a proprietary connection that only fits one port on the external hard drive. Click the Spotlight icon, which resembles a magnifying glass, in the top-right corner of the screen. Type in disk utility, then double-cli