Why Firefox freeze and a box rectangular white happen on my Mac screen after the computer enters mode "sleep"?

Why found frozen Firefox and a rectangular box on my MacPro screen after that the computer goes into screensaver mode and I come back to type it in again? I Force-Quit Firefox and restart my tabs from scratch.

It got so annoying that I switched to Chrome for a while, but Chrome is a hoarder of power who wouldn't let me download at Amazon cover for books printed images as I write. I want to go back to Firefox, but the only way to prevent him from dying on me is to keep completely off the screen saver and sleep-ECOMAT modes. It started happening after I installed the new OS from Yosemite, then maybe it is a conflict of some sort.

Here is a screenshot of the appearance of the white box on the Firefox screen frozen. Well, hmm. It seems that this image be download! Well!

Anyone know what the problem is or how to fix it?

Hello

Try Firefox Safe mode to see if the problem goes away. Firefox Safe mode is a troubleshooting mode that temporarily disables hardware acceleration, restores some settings and disables add-ons (extensions and themes).

If Firefox is open, you can restart Firefox Safe mode in the Help menu:

  • Click the menu button

    click Help

    then select restart with disabled modules.

If Firefox does not work, you can start Firefox in Mode safe as follows:

  • On Windows: Hold down the SHIFT key when you open the desktop Firefox or shortcut in the start menu.
  • On Mac: Hold the option key during the startup of Firefox.
  • On Linux: Exit Firefox, go to your Terminal and run firefox-safe-mode
    (you may need to specify the installation path of Firefox for example/usr/lib/firefox)

When the Firefox Safe Mode window appears, select "start mode safe."

If the problem is not present in Firefox Safe Mode, your problem is probably caused by an extension, theme or hardware acceleration. Please follow the steps described in the section Troubleshooting extensions, themes and problems of hardware acceleration to resolve common Firefox problems to find the cause.

To exit safe mode of Firefox, simply close Firefox and wait a few seconds before you open Firefox for normal use again.

When find you what is causing your problems, please let us know. This might help others with the same problem.

Tags: Firefox

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