Firefox doesn't keep settings from about:config

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1
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Since a update a few weeks ago Firefox doesn't seem to keep settings done in about:config. I noticed this for example because I use a changed dpi setting



layout.css.devPixelsPerPx=1.5


After an update this was reset to -1.0. Changing this to 1.5 again however works only temporarily. After restarting Firefox the setting is gone.



What may be wrong here and how can I fix it?







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  • Are you changing the setting through the about:config web interface or by editing a *.js file directly? If you're doing the former and the settings aren't sticking, your profile could be corrupt.
    – dsstorefile1
    May 24 at 21:39










  • I was using the web interface.
    – student
    May 24 at 21:44














up vote
1
down vote

favorite












Since a update a few weeks ago Firefox doesn't seem to keep settings done in about:config. I noticed this for example because I use a changed dpi setting



layout.css.devPixelsPerPx=1.5


After an update this was reset to -1.0. Changing this to 1.5 again however works only temporarily. After restarting Firefox the setting is gone.



What may be wrong here and how can I fix it?







share|improve this question






















  • Are you changing the setting through the about:config web interface or by editing a *.js file directly? If you're doing the former and the settings aren't sticking, your profile could be corrupt.
    – dsstorefile1
    May 24 at 21:39










  • I was using the web interface.
    – student
    May 24 at 21:44












up vote
1
down vote

favorite









up vote
1
down vote

favorite











Since a update a few weeks ago Firefox doesn't seem to keep settings done in about:config. I noticed this for example because I use a changed dpi setting



layout.css.devPixelsPerPx=1.5


After an update this was reset to -1.0. Changing this to 1.5 again however works only temporarily. After restarting Firefox the setting is gone.



What may be wrong here and how can I fix it?







share|improve this question














Since a update a few weeks ago Firefox doesn't seem to keep settings done in about:config. I noticed this for example because I use a changed dpi setting



layout.css.devPixelsPerPx=1.5


After an update this was reset to -1.0. Changing this to 1.5 again however works only temporarily. After restarting Firefox the setting is gone.



What may be wrong here and how can I fix it?









share|improve this question













share|improve this question




share|improve this question








edited Jul 8 at 18:52









Codito ergo sum

1,077725




1,077725










asked May 24 at 20:12









student

89872047




89872047











  • Are you changing the setting through the about:config web interface or by editing a *.js file directly? If you're doing the former and the settings aren't sticking, your profile could be corrupt.
    – dsstorefile1
    May 24 at 21:39










  • I was using the web interface.
    – student
    May 24 at 21:44
















  • Are you changing the setting through the about:config web interface or by editing a *.js file directly? If you're doing the former and the settings aren't sticking, your profile could be corrupt.
    – dsstorefile1
    May 24 at 21:39










  • I was using the web interface.
    – student
    May 24 at 21:44















Are you changing the setting through the about:config web interface or by editing a *.js file directly? If you're doing the former and the settings aren't sticking, your profile could be corrupt.
– dsstorefile1
May 24 at 21:39




Are you changing the setting through the about:config web interface or by editing a *.js file directly? If you're doing the former and the settings aren't sticking, your profile could be corrupt.
– dsstorefile1
May 24 at 21:39












I was using the web interface.
– student
May 24 at 21:44




I was using the web interface.
– student
May 24 at 21:44










1 Answer
1






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up vote
1
down vote













You can edit the prefs.js file in the Firefox profile folder with a plain text editor like Notepad and remove the line with the layout.css.devPixelsPerPx pref or change the value to 1.0



user_pref("layout.css.devPixelsPerPx", "1.0"); 


From https://support.mozilla.org/en-US/questions/964888






share|improve this answer






















  • Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
    – student
    May 24 at 20:59










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1 Answer
1






active

oldest

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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
1
down vote













You can edit the prefs.js file in the Firefox profile folder with a plain text editor like Notepad and remove the line with the layout.css.devPixelsPerPx pref or change the value to 1.0



user_pref("layout.css.devPixelsPerPx", "1.0"); 


From https://support.mozilla.org/en-US/questions/964888






share|improve this answer






















  • Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
    – student
    May 24 at 20:59














up vote
1
down vote













You can edit the prefs.js file in the Firefox profile folder with a plain text editor like Notepad and remove the line with the layout.css.devPixelsPerPx pref or change the value to 1.0



user_pref("layout.css.devPixelsPerPx", "1.0"); 


From https://support.mozilla.org/en-US/questions/964888






share|improve this answer






















  • Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
    – student
    May 24 at 20:59












up vote
1
down vote










up vote
1
down vote









You can edit the prefs.js file in the Firefox profile folder with a plain text editor like Notepad and remove the line with the layout.css.devPixelsPerPx pref or change the value to 1.0



user_pref("layout.css.devPixelsPerPx", "1.0"); 


From https://support.mozilla.org/en-US/questions/964888






share|improve this answer














You can edit the prefs.js file in the Firefox profile folder with a plain text editor like Notepad and remove the line with the layout.css.devPixelsPerPx pref or change the value to 1.0



user_pref("layout.css.devPixelsPerPx", "1.0"); 


From https://support.mozilla.org/en-US/questions/964888







share|improve this answer














share|improve this answer



share|improve this answer








edited Jul 8 at 19:04









wjandrea

7,02542054




7,02542054










answered May 24 at 20:25









fixit7

479316




479316











  • Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
    – student
    May 24 at 20:59
















  • Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
    – student
    May 24 at 20:59















Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
– student
May 24 at 20:59




Thanks, I manually added the key to my user.js and now it seems to work after a reboot. Maybe you could include this information explicitly into your answer then I can accept it.
– student
May 24 at 20:59












 

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