Hit Enter to open the Troubleshooting Information page. You can delete this file as follows:Ĭopy-paste the path about:support on the address bar of the Firefox browser. One of the major causes for Firefox causing high system utilization is a corrupt content-prefs.sqlite file. 6] Delete the corrupt content-prefs.sqlite file Thus make sure that the option for hardware acceleration is checked in the Firefox settings. It controls memory usage to some extent when running graphic intensive media on Firefox. 5] Turn On Hardware Accelerationįirefox hardware acceleration is enabled by default. This is especially true for online gaming websites. Thus it is advisable to stop heavy downloads and close heavy websites to reduce the load on the system. 4] Stop heavy downloads and close heavy websitesįirefox isn’t a heavy browser in itself, however, the system utilization depends on the processes running through it. Select Update driver and follow the instructions for automatically updating it. Hit Enter to open the Device Manager.Įxpand the list of Display Adapters and right-click on your Graphics Card driver. Press Win+R to open the Run window and type the command devmgmt.msc. The procedure to update your Graphics Card drivers is as follows: In case it is outdated, you might encounter issues like the one in the discussion. The system’s Graphics Card driver helps in running graphics-heavy content on Firefox such as videos or games.