Hello,,

Turn off hardware acceleration by following method

   Open Google Chrome.
   Click Customize and Control Google Chrome > Settings.
   Click on Show advanced settings and scroll to the System section.
   Uncheck Use hardware acceleration when available and restart Google Chrome.

Hi yasmeenfatima456, glad to see you on Mozilla Support Forum.

Here's a way you can fix the problem:-

• Click the menu button. and select Options.
• Select the General panel.
• Under Performance, uncheck Use recommended performance settings.
• Uncheck Use hardware acceleration when available.
• Click the Firefox menu and select Exit.
• Start Firefox the way you normally do.

If it doesn't solved your problem, then feel free to ask in Reply Section. Thanks for raising your question in Mozilla Support Forum.