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Blurry Fonts with External Monitors (Non-Retina Displays) on macOS Mojave


Published: 05 Nov 2019
Last Modified Date: 05 Nov 2019

Issue

When using an external monitor without an ultra-high resolution screen like a Retina display, fonts and texts in Tableau Desktop may appear as fuzzy, blurry, or excessively thin and difficult to read.

Environment

  • Tableau Desktop
  • macOS Mojave

Resolution

 Try the options or combinations in How to Fix Blurry Fonts on Mac OS X High Sierra and Mojave.

  • [Option1] - Enabling Font Smoothing in macOS High Sierra and Mojave via System Preferences.
  • [Option2] - Enabling Font Smoothing in macOS High Sierra and Mojave vía Terminal.
  • [Option3​​] - Adjusting the Mac Font Smoothing Settings via Defaults.

Cause

In many cases, blurry text or fonts are related to macOS's setting. 

Additional Information

If no option or combination can resolve this issue, please provide the following information to Technical Support for troubleshooting.
  1. Please describe exactly which port, adapter or cable is used to connect to the external monitor.
  2. Please provide the system information.
    • Launch Spotlight Search > type and run "system information.app" (system information) > click File > Save System Report (SPX file).
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