

Select the Advanced panel and the General tab.Click the menu button and select Options (Windows) or Preferences (Mac, Linux).You will need to restart Firefox for this to take effect so save all work first (e.g., mail you are composing, online documents you're editing, etc.,) and then perform these steps: Since this feature was added to Firefox it has gradually improved but there are still a few glitches. Try disabling graphics hardware acceleration in Firefox. * I also tried deleting cache with CCleaner for mac. * I used Cocktail (12 b2) to clear caches, logs, and other misc stuff. I even tried deleting firefox, rebooting, and reinstalling. * I rebooted without opening work on launch.

* The black screen shows in both light/dark mode, but the guest account can show firefox without problems in either mode. * I reset my PRAM and SMC, both changed nothing. Change YES to NO to reverse changes (use killall or restart). This is a TEMPORARY solution, so please do not mark this as closed until it is properly resolved.ĭefaults write -g NSRequiresAquaSystemAppearance -bool YES This command keeps the bar/dock as dark, but the rest of MacOS will be bright (finder, notification center, safari, etc.
CCLEANER VS COCKTAIL FOR MAC UPDATE
I'm pretty sure it's a bug at this point, so I'll just wait til the next update and report back when I get the chance.Įdit: As another person pointed out in a bug report, a terminal command is a workaround for fixing this issue.

I can tell by right-clicking the firefox icon. Entering about:blank takes me to the page, but it is still totally black.
