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Firefox does not respect monitor scaling

  • 2 replies
  • 0 have this problem
  • 10 views
  • Last reply by findwally

findwally
findwally

I have a 4k monitor, with Windows scaling set to 150% to make text readable. On firefox the text is still very small - I think it is not scaling according to the monitor setting. I also think this issue only started recently?

All other apps show the text at the scaled size on that monitor. Firefox seems to be the odd one out. Screenshot attached with another app to show the difference.

I have a 4k monitor, with Windows scaling set to 150% to make text readable. On firefox the text is still very small - I think it is not scaling according to the monitor setting. I also think this issue only started recently? All other apps show the text at the scaled size on that monitor. Firefox seems to be the odd one out. Screenshot attached with another app to show the difference.
Attached screenshots

All Replies (2)

TyDraniu
TyDraniu
  • Top 25 Contributor

Try to enter about:config in the address bar and set layout.css.devPixelsPerPx to 1.4.

Helpful?

findwally
findwally Question owner

This problem seems to have now gone away by itself. Possibly because firefox updated. Or something else in my system sorted itself out (the problem appeared mysteriously too).

Thanks for the devPixelsPerPx idea - it might be a workaround for some. I didn't mention I have 2 monitors, with different scaling - which is why I need firefox to just use the scaling defined for the monitor it's on.

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