How do I find the disk for macOS X installation on my Mac?
I want solution how to reinstall my Mac computer but it saying: Select the disk where you want to install OS X. But I can’t fine it
[Re-Titled by Moderator]
1. Start up from macOS Recovery
Option-⌘-R
Upgrade to the latest macOS compatible with your Mac.
Look at top of screen for Utilities menu...
In Disk Utility>View, select Show all Devices, highlight the top left entry.
Run Disk First Aid on all items in the left panel, from top down.
APFS won't work for Sierra or earlier, Sierra or earlier needs MacOS Extended Journaled. High Sierra won't work for APFS on earlier Macs.