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How Do I Restart Firefox in Troubleshoot Mode?

Published in Firefox Troubleshooting 2 mins read

Restarting Firefox in Troubleshoot Mode, also known as Safe Mode, is a valuable step for diagnosing and resolving issues with your browser. This mode disables extensions, themes, and hardware acceleration temporarily, which helps determine if an add-on or other specific feature is causing problems.

To restart Firefox in Troubleshoot Mode, follow these simple steps based on the standard process:

Steps to Enter Troubleshoot Mode

Here are the exact steps to access and use Troubleshoot Mode in Firefox:

  1. Access the Menu: Click the menu button (usually three horizontal lines) in the top-right corner of the Firefox window.
  2. Go to Help: In the menu that appears, click on Help.
  3. Select Troubleshoot Mode: From the Help submenu, select Troubleshoot Mode….
  4. Confirm Restart: A dialog box titled "Restart Firefox in Troubleshoot Mode?" will appear. Click the Restart button within this dialog. Firefox will close and then attempt to reopen in Troubleshoot Mode.
  5. Confirm Troubleshoot Mode Launch: After Firefox restarts, another dialog box will appear, titled "Open Firefox in Troubleshoot Mode?". Click the Open button in this dialog to proceed with launching Firefox in this special mode.

What Happens Next?

Once Firefox is open in Troubleshoot Mode, it's time to test.

  • Check for the Problem: See if the issue you were experiencing still occurs. If the problem is gone, it indicates that an extension, theme, or hardware acceleration was likely the cause.
  • Troubleshoot Further: If the problem is resolved in Troubleshoot Mode, you can then systematically disable or remove extensions/themes or disable hardware acceleration one by one in the regular Firefox mode to pinpoint the culprit.
  • Exit Troubleshoot Mode: To exit Troubleshoot Mode and return to your normal Firefox configuration, simply close and restart Firefox normally.

Using Troubleshoot Mode is a crucial diagnostic step recommended by Firefox support when you encounter persistent or unusual behavior in the browser.

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