Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

How do I set the resolution to its original setting?

  • 1 reply
  • 1 has this problem
  • 4 views
  • Last reply by TonyE

more options

Firefox opens with a very low resolution, overfills the screen, and pixelates. I can't find anywhere to change the resolution. I believe that I made the mistake in a setting, but can't find how to undo it. Uninstalling and reinstalling doesn't change the problem. The rest of my screen and programs are fine. Please help.

Firefox opens with a very low resolution, overfills the screen, and pixelates. I can't find anywhere to change the resolution. I believe that I made the mistake in a setting, but can't find how to undo it. Uninstalling and reinstalling doesn't change the problem. The rest of my screen and programs are fine. Please help.

All Replies (1)

more options

Right-click on the shortcut used to launch Firefox and select Properties. Go to the Compatibility tab and make sure that none of the options are selected. Repeat this for the firefox.exe file, normally found inside this folder on 64 bit Windows - C:\Program Files (x86)\Mozilla Firefox\