Note: Your third-party fonts won’t be deleted completely. Now, only the fonts that have been shipped together with macOS will be left in Font Book. Navigate to File ➙ Restore Standard Fonts….Launch Font Book from your Applications folder.What you can do to resolve situations like these is to reinstall fonts back to default settings using Mac’s Font Book utility: In addition, if you’re a font aficionado, it’s easy for your font library to grow uncontrollably and take up lots of space on your hard drive. More frequently than not, it’s actually third-party typefaces that can interfere with how various apps display text. Not every font bug leads to your macOS system fonts being completely broken.

You can read the text once again! How to change default font on Mac Now your default macOS system fonts should be properly displayed and the font database should be rebuilt.

To turn off your Mac once again, type sudo shutdown -r now.

To clear your font cache and reset the font database, type sudo atsutil database -remove.

In Safe Mode, your fonts should look normal.

Shut down your Mac and power it back on while holding Shift to boot in Safe Mode.

Here’s how to set default font recognition on Mac: But there are a few easy commands you can use to repair the bug through Terminal. Unfortunately, simply restarting your Mac or updating your apps or macOS wouldn’t work here. Most likely, you need to change system font Mac displays improperly because of some third-party process that somehow has intervened into your system’s font rendering and font recognition.

Reset font book mac mojave