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How to disable HiDPI support

  • 4 replies
  • 1 has this problem
  • 5 views
  • Last reply by cor-el

dergrunepunkt
dergrunepunkt
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Firefox seems to detect that I'm using a HiDPI display and scales automatically, I really want to disable this so GNOME can handle the window scaling. I can't find the way. BTW changing the "layout.css.dpi" about:config makes no difference.

I'm using:

  • FF Quantum
  • GNOME 3.26.2
  • Ubuntu 17.10

Cheers

Firefox seems to detect that I'm using a HiDPI display and scales automatically, I really want to disable this so GNOME can handle the window scaling. I can't find the way. BTW changing the "layout.css.dpi" about:config makes no difference. I'm using: * FF Quantum * GNOME 3.26.2 * Ubuntu 17.10 Cheers

All Replies (4)

user1929
user1929
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Does it work if you set layout.css.devPixelsPerPx in about:config to 1.0?

dergrunepunkt
dergrunepunkt Question owner
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Like I mention in my original posting that makes no difference.

user1929
user1929
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Just to be clear, you've tried both "layout.css.dpi" (which is what you mentioned in your original post) and "layout.css.devPixelsPerPx", and neither one worked? Because they're different settings.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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See also:

  • bug 1081142 - [HiDPI] select an appropriate scale factor on Linux

(please do not comment in bug reports
https://bugzilla.mozilla.org/page.cgi?id=etiquette.html)