Most older Macs from pre-2000 use HFS+ - and you can still format disks as HFS+ in macOS's Disk Utility app today. Many of today's Mac emulators such as Basilisk II, Sheepshaver, and Mini vMac use ...

If problems are found with Disk Permissions you can fix these using this app, but you cannot fix the startup disk. For this, you’ll need to start in Recovery Mode (Command-R).

Click Continue and watch as macOS shuts down all open apps, restarts, and wipes your Mac clean. How to manually factory reset a Mac Using macOS Recovery If you’re using an older Mac and don’t ...

Ran Disk Utility, but it couldn't repair it.<BR><BR>I bought Disk Warrior, ran it, and the installation went perfectly. It also cleaned up my hard drive, found some extra space, and in general ...