Sir Apfelot Blog

19 August 2022

Strong recommendation: Update to Safari 15.6.1 on macOS Catalina and Big Sur

After I advised you yesterday to install the latest versions of macOS, iOS and iPadOS on compatible devices, today the Safari browser is on the agenda. The app has to run under […]
6 January 2021

Instructions: If the macOS update aborts with errors

Sometimes it can happen that the macOS update aborts with errors. There are several reasons for this, but there are also as many solutions. In this guide you will find instructions so that you can solve the various problems quickly and easily [...]
16 November 2020

Install macOS Big Sur and Catalina in parallel without a partition

Thanks to the APFS file system, it is very easy on the Apple Mac to install two operating systems in parallel on one hard drive - and that without partitions. In the past, hard disks had to be broken down into individual virtual parts (partitions), then [...]
26 October 2020

[Solved] Mac detects HP printer drivers as malware

I heard from a reader that there may be problems with HP printers after updating to macOS 10.15.7. The Mac then recognizes the HP printer driver as malware and only throws warning messages and deletion requests. [...]
1 September 2020

In comparison: macOS Big Sur vs. macOS Catalina

The new Mac operating system macOS 11.0 Big Sur will appear soon. But what changes does it bring compared to macOS 10.15 Catalina? Where are known elements improved and where do you have to get used to it completely? These […]
4 August 2020

MacBook battery won't charge - message may be part of battery health management

At the beginning of June, Apple rolled out macOS 10.15.5 on compatible Mac models. The update for the operating system called Catalina brought, for example, the "battery status management" to newer MacBooks with Thunderbolt 3 ports. The function ensures that the [...]
5 June 2020

Use screen time on your Mac and monitor device usage

Just like on the iPhone or iPad, you can also use the screen time on the Apple Mac from macOS 10.15 Catalina to monitor and limit your device usage. In this little guide you will find a quick guide. [...]
28 October 2019

Mac: APFS volume or partition - their advantages and disadvantages

In order to test current beta versions or to install two different macOS editions in parallel, you can create APFS volumes on the Mac hard drive instead of creating partitions. The advantage is that the partition takes up as much space as [...]
24 October 2019

macOS Catalina upgrade won't finish? Updated installer solves the problem!

With the new Apple operating system macOS 10.15 Catalina, not only new functions but also problems came to the Mac for some users. Among other things, when setting up the new operating system or a new computer with Catalina, [...]
23 October 2019

Reader question: Mac no longer recognizes USB keyboard

After upgrading the Apple Mac to macOS 10.15 Catalina, there may be some problems, as you have probably already seen. A reader recently wrote to me and reported that after the [...]