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Mac OS X

How to calibrate an external display on macOS

MacBooks can work with external displays but unless you’re using an Apple display you are highly unlikely to get the same colors on it as you do on your internal screen. That said, Apple isn’t the only company that makes a good monitor. There are plenty of great external monitors …

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How to manually switch to the GPU on macOS

Macs have both an on-board graphics card and a dedicated GPU. Apple has tried to release models that can be used for gaming but it hasn’t had much success. It’s only managed to add a GPU to its line-up. Still, it is there. macOS chooses on the fly whether to …

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How to view battery for Bluetooth devices on macOS

macOS lets you view the Bluetooth battery percentage for connected devices. The devices that it supports are very limited. It supports Apple devices mostly i.e., Airpods, trackpads, keyboards, and it supports select Beats headphones but the list is small and unlikely to grow any time soon. For non-Apple devices, you …

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How to control Mac fan speeds manually

Apple doesn’t open up its hardware to users or developers very easily. This goes for most of its hardware; desktop, TV, and phones. On the desktop though, it can’t be as restrictive as it might like e.g., you can install apps from outside the Mac App Store with little to …

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How to download older versions of macOS

Macs are expensive and often, if you compare the specs you get for a lower-end Mac, you’ll find you can buy an exceptionally better PC for the same price. The fact is, when you buy a Mac, you’re not just buying hardware. You’re also paying for the OS in addition …

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How to run a Shell or .sh script on macOS

Shell scripts are normally written and run on Linux systems but they’re almost as at home on a Mac system as they are on a Linux system. You can write a Shell script on macOS, and you can run it easily, far more easily than you can on a Windows …

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How to change brightness for all displays on macOS

A MacBook, or any type of  Mac, can be used with an external/additional monitor. You don’t have to use an Apple manufactured/approved display but those will work best. If you have a non-Apple approved display, you will find that it works, just not as well as an internal display. If …

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How to test a Mac or Apple keyboard

Apple keyboards or the built-in keyboard on a MacBook are generally good quality keyboards but they aren’t immune to problems. They can stop working entirely, or in part i.e., just a few keys. This can be a software problem and Apple has had trouble with its keyboard in the past …

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