Fonts look blurry

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  • Revision id: 12360
  • Created:
  • Creator: Underpass
  • Comment: only for Windows systems
  • Reviewed: No
  • Ready for localization: No
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Note: This article applies to Windows systems only.

If you are using Windows Vista or 7, text in Firefox may appear blurry. This is usually due to Windows ClearType not being turned on. This article will explain how to enable it.

Fix blurry fonts by turning on ClearType

  1. In Windows, click Small Vista Logo and type cleartype in the search box.
  2. Click Adjust ClearType text to open the ClearType control panel. Blurry Fonts 2
  3. Check Turn on ClearType and then Next to fine tune your settings.Blurry Fonts 3
  4. After you fine tune the ClearType settings, click Finish to accept them.

The text in Firefox should now look good.

Blurry Fonts 1

Improve your computer's performance with ClearType turned on

Some computers run slower with ClearType turned on. You may be able to improve your computer's performance by installing the following updates from Microsoft.com:

I'm still having problems, what else can I do?

It's possible that you are also experiencing issues related to outdated graphics card drivers. See, Upgrade your graphics drivers to use hardware acceleration and WebGL for more information.