Safari shows question marks instead of Text

Things to remember

• Keep your Mac OS up to date.
• Always scan your Mac with the help of Malwarebytes Anti Malware Software.
• Search for a free Anti-Virus and install it. My Choice: Avast, AVG, or Avira.
• Note: Don’t click on websites that start with ads.

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Reason: Safari shows question marks

• This is an issue due to Corrupt fonts or Multiple copies of fonts installed on Mac OS.
• When we install third-party software especially “Adobe Software”. They will download the fonts from their website and install it on Mac.

Avoid future problems

Before going for any steps, we must take precautions and copy all of our fonts.

Steps

• Open Font Book, click on All Fonts,
  • Now click on any of them in the list and press Command-A to Select All.

Then choose File, “Export Fonts” and save them all somewhere on your Mac.

Let’s fix the issue

Fix-1

• Open the Font Book app located under Applications.

• From the Font Book menu bar,
  • Click Font Book > Preferences then
  • Click Resolve Duplicates by moving files to the Trash.

• Quit and relaunch Safari to test your website.

Fix-2:

Step-1: Try starting up in Safe Mode

• Start up the Mac OS in Safe Mode and follow the below steps.
  • Follow the official Article: How to use safe mode on your Mac – Apple Support

Step-2: Restore Standard fonts

• Click on Finder > Applications > Font Book > File > Restore Standard fonts.
  • Follow the official guide to restore Fonts: Restore fonts that came with your Mac using Font Book – Apple Support (IN)

Conclusion

Suppose the above fix is not able to resolve the font issue. Then you need to back up the system and try to reinstall the Mac OS.