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Firefox scrolling lag

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  • Last reply by FredMcD

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Hello. I'm having issues on Firefox for couple months. My issue is lags with scrolling: when i scroll down there is random lag appear like CPU spike and then I get scroll with stuttering. This doesn't appear always. This is randomly, but happens quite often to annoy me enough and almost complete destroyed all my nerves. I even started feeling that lags are my imagination.

What I have tried so far: 1) Resetting Firefox - didn't helped 2) Safe mode - didn't helped 3) Disable HW Acceleration - no difference, but I think its happen less often (but that also can be my imagination) 4) Enable / Disable Smooth Scrolling - no difference (normally I work without smooth scrolling) 5) I even tried complete uninstall Firefox with all subfolder and stuff and installed again - no difference 6) Tried Firefox 43 and 45 - no difference

With addons or without it doesn't matter. Lags appear even on freshly installing firefox so I'm kinda lost. Nobody I've asked doesn't have this issue so I really don't know what to thing. Google won't show any results for similar issue, so I think I might be the one...

I have Windows 7 SP1 64x with all updates and Logitech G100S mouse if its matter. Please ask for any additional details if you need.

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All Replies (9)

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Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options)
key, and then starting Firefox. Is the problem still there?


Start your Computer in safe mode with networking. Then start Firefox. Try Safe websites. Is the problem still there?

Starting The Computer In Safe Mode;
Free Online Encyclopedia

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Yes, problem is still here in Safe mode

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A post was flagged as Solved Problem. Please remove that flag. If you don’t, others that can help may not read this post.


Check for updates for the mouse software.

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How do I do that?

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Check what company wrote the mouse software, go to their website.

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Logitech, but I don't have any mouse software installed.

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I have not heard of a computer without mouse/pad software, but it is possible.

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I do use default Windows USB drivers.

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I've called the big guys to help you. Good luck.