Disk Utility

Sir Apfelot Blog

29 JULY 2020

What is the Macintosh HD Data volume doing on my hard drive?

As of macOS 10.15 Catalina with the APFS file system, the hard drive of the Apple Mac is divided into “Macintosh HD” and “Macintosh HD data” by default. The two volumes have different properties that can be changed without further insight into [...]
30th of June 2020

Instructions: How to format an external hard drive on Mac

Formatting an external hard drive on the Apple Mac is no problem thanks to the hard drive utility. The only important thing is the correct settings such as format or file system and scheme. What you can do about deleting and formatting a hard drive under macOS [...]
April 21, 2020
Encrypt files with Encrypto

Encrypto: Program for encrypting files under macOS and Windows

I have grown fond of the MacPaw software booth thanks to CleanMyMac and the SetApp software subscription, and today I came across a great tool from them that is also offered free of charge: [...]
April 9, 2020

Solution: Apple Mac does not recognize the built-in SSD

If you have given your Apple Mac, MacBook or iMac a new SSD hard drive or replaced the HDD with it, it may not recognize it. This is especially annoying if you are using the new storage medium to use the computer [...]
4. February 2020
This is how chkdsk works on a Mac

"Chkdsk" command - what is the equivalent on the Mac?

When it comes to defective SD cards, broken hard disks or other unreadable data storage media, the "chkdsk" command is often thrown into the room in the Windows world. Not without reason, because this system's own repair command has also [...]
8. October 2019
macOS Catalina Download and convert to DMG

Download the macOS Catalina Installer and create a DMG file

As usual with the last macOS backups, macOS Catalina also has no way of finding the macOS 10.15 installer as a public (and legal) download on the Internet. If you start the update on the Mac, [...]
13. August 2019
Convert .app to .dmg

Instructions: Create a .dmg from an .app file on the Mac

This is again a manual that I just had to collect myself in an English forum. The reason why I want to turn an .app into a .dmg file is as follows: If you try a macOS [...]
24. November 2018
Format hard drive as APFS volume

Disk Utility: The Mac hard disk cannot be formatted in the APFS file system

It's a bit embarrassing when, as Sir Apfelot, you have to ask others why a hard drive (in my case an external SSD) cannot be formatted in the APFS file system - but hey, I'm [...]
24th of June 2017
If you want to partition a larger hard drive on the Mac, you should be patient (screenshot from the hard disk utility) ... after waiting a good 1,5 hours.

Partitioning the hard drive on the Mac - a question of patience with 4 TB HDD disks

Yesterday my new MacBook Pro (the 2017 model with the Kaby Lake processor) arrived. And as always, on such rare occasions, I like to make a 1: 1 backup of the internal SDD hard drive using Carbon Copy [...]