Step 2: Scroll down to go to the Performance section. Step 1: Launch Firefox on your PC and click on the menu icon in the upper right to open Settings. Thus, you can try disabling hardware acceleration in Firefox to see if that helps. But sometimes, depending on the graphics card on your PC, it can also cause Firefox to freeze. The feature essentially takes advantage of your PC’s GPU instead of CPU to speed up processes. Disable Hardware Accelerationīy default, Firefox comes with Hardware Acceleration enabled. Step 2: Now use the switches to toggle off extensions from here. Step 1: Open Firefox and click on the menu icon and select Add-ons and themes from the list. To find the one responsible, try disabling all. If it is working fine, the Firefox not responding issue is due to one of the Add-ons. Step 2: When prompted, click on Restart to launch Firefox in Troubleshoot Mode. Now click on the menu icon in the top right corner, go to Help, and select Troubleshoot mode from the sub-menu. To verify if that’s the case, launch Firefox in the Troubleshooting Mode which disables all Add-ons, themes, or any of your custom settings. If you rely on Add-ons on Firefox to improve your productivity, then those Add-ons could come in the way. Relaunch Firefox to see if it works fine now. Step 2: Under Processes, select Firefox and click on the End task button at the bottom. Step 1: Press Ctrl + Shift + Esc to launch the Task Manager. However, restarting Firefox browser can get rid of that niggle. Restart Firefoxįirefox might fail to start correctly if you’ve closed it abruptly the last time you use it. If the internet is working, you can continue with this troubleshooting guide. To further verify your internet connection, you can try opening another web browser such as Microsoft Edge or Google Chrome and load a few pages there. You’ll see the connection status at the top. To do that, press Windows key + I to open Settings on Windows and go to the Network & Internet tab. So the first thing you’ll need to do is check the Internet Connection on your computer. Patchy or intermitting internet connectivity at your home or office could cause Firefox to freeze or not respond at times.

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