Auto-hide taskbar in Windows 10 not working properly with Firefox
I'm running the latest version of Windows 10 and Firefox 143.0.1.
I recently bought my first OLED monitor, so I enabled auto-hide taskbar in Windows to try and reduce the chance of burn-in. However, while it works for the most part, it seems to often break in Firefox where the taskbar will hide, but not reappear when I move my mouse pointer to the bottom of the screen.
You can replicate this issue by having FF not maximised, then dragging its window titlebar to the top of the screen and letting go in order to maximise it. At that point, the taskbar no longer pops up when you mouse over the bottom of the screen.
Many thanks for any help you can give.
この投稿は Sigma により に変更されました
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Hi Sigma,
I replicated this on my Windows 11 computer as well, so you are not alone. :-)
I am investigating and will post again tomorrow, but in the meantime I found that it only happens when dragging the window to the top of the screen to maximize it. If you use the original maximize button (see below image), the task bar doesn't disappear. At least it doesn't for me.
Hope that helps as a stop-gap fix and isn't something you've already discovered.
Tim
TimB said
Hi Sigma, I replicated this on my Windows 11 computer as well, so you are not alone. :-) I am investigating and will post again tomorrow, but in the meantime I found that it only happens when dragging the window to the top of the screen to maximize it. If you use the original maximize button (see below image), the task bar doesn't disappear. At least it doesn't for me. Hope that helps as a stop-gap fix and isn't something you've already discovered. Tim
Hey Tim, thanks for the reply.
I pretty much never maximise a window by dragging its titlebar in that way, but that's the only way I found to replicate the issue 100% of the time.
Obviously I have FF set to start maximised, and I sometimes go into full screen view if I'm watching a video on YouTube or whatever, but at some point the auto-hide taskbar feature always breaks. If I manually resize the FF window to make it just smaller than maximised, auto-hide taskbar immediately starts working again. If I then maximise it using the button at the upper right, it will still work for a little while, but will break again shortly after.
Here's some info from a post on another forum where a guy noticed the same problem: -
https://forums.overclockers.co.uk/threads/why-you-should-be-using-firefox.18874148/post-37746396
I dunno if the info there helps at all. That's from several months ago and is talking about FF 137, but what he's describing seems identical to what I'm experiencing now.
Thanks again!
I found a solution to this, courtesy of yashiro on the Overclockers forums.
In about:config, set the value of this to 0: -
widget.windows.fullscreen_marking_method
Since doing that, I've not had a single issue with the taskbar.
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