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I own a Dell XPS 15 (2014 model), running windows 8.1, where firefox has always been slow and sluggish. I haven't been able to solve the issue through google.
One of the problems is that scrolling is laggy. The scroll motion happens about 0.5~1 second after I move my fingers.
Secondly, youtube videos on full screen are a no no. Any resolution is just sluggish. Even worse, when I move my mouse over the video frame (on any html5 or flash player) the video goes from 30fps to 1spf (Second per frame). This is on non-fullscreen.
Even if I put my laptop on high performance with everything maxed out I still can't get firefox to function normally.
Chrome on the other hand works like a charm.
Any ideas?
Note: please don't give me answers like "use chrome instead".
reset your profile: https://support.mozilla.org/en-US/kb/reset-firefox-easily-fix-most-problems BUT, remember to make a backup of the profile!
– magicandre1981 – 2015-01-18T19:45:40.590