''(I've locked [/questions/1369688 your other thread] about the Tools menu)'' Note that you can also type about:preferences in the location bar to open Settings (previously named: Options/Preferences). *https://support.mozilla.org/en-US/kb/firefox-Options-preferences-and-settings Note that you can tap the Alt key or press the F10 key to show the hidden Menu Bar temporarily. See also: *https://support.mozilla.org/en-US/kb/change-firefox-behavior-when-open-file Can you attach a screenshot that shows the toolbars? *https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem *use a compressed image type like PNG or JPG to save the screenshot ---- Start Firefox in <b>Troubleshoot Mode</b> to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if <b>hardware acceleration</b> or <b>userChrome.css</b> is causing the problem. *switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes *do NOT click the "Refresh Firefox" button on the Troubleshoot Mode start window *https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode *https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

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