Is there a solution for Firefox running with a blank screen (no text or graphics) in Ubuntu 12.04?

After receiving the upgrade to Firefox 40.0.2 a white screen appears. It is not possible to change the settings of Firefox since the opening page because no text or graphics are displayed. This has happened on two computers, an emachines T3624 and a Gateway 2000. I tried a complete elimination and new installation using the Synaptic Package Manager. I am writing from the Chrome browser.

I tried to create a user.js file in the Firefox profile folder and adding the line:
user_pref ("gfx.xrender.enabled", false);
Who has not resolved the blank white screen issue.
Then I tried to disable the file prefs.js and user.js file by renameing them.
It worked. When I restarted Firefox, a new prefs.js was generated. The prefs.js file that causes a blank screen has the user_pref ("gfx.xrender.enabled", false); line in it. The new prefs.js didn't user_pref ("gfx.xrender.enabled", false); in it.

So, I found the prefs.js file in other machine with the same problem and commented of the user_pref ("gfx.xrender.enabled", false); line. (I guess that remove this line would also work.) Firefox now works on the second machine and is no longer launches a blank white screen.

Tags: Firefox

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