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Firefox causes flicking screen.
It is suspected that latest version of Firefox version 78.11.0esr (64-bit) is causing operathing systems to crash. I have not seen it on Windows platform as I am not using it. Platforms I am using are OSX and XUbuntu. The error occurs lingering on a site for a very long time. First it starts getting screen graphic errors like, some pixels are not being updated correctly. Then after a while screen starts to flicker, in a massive state, like the graphic processor is broken. In some cases with command key strokes one is able to kill Firefox, screen is back to normal and one can continue working. Facebook is the site that most commonly is causing error, but there are also other sites.
Modified by rodieki
I am not sure that this solves the problem. I have also got reports that my version of Imac has a weak graphic card. Even though hardware diagnostics cant find any errors the source of the issue is the graphis card itself.Read this answer in context 👍 0
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After some investigations and testing that hardware is in my mac is alright. I have found the it is the GPU hardware acceleration features in Firefox that causes that issue. Disabled, and Firefox works like a charm. The software is making the windowserver in osx go beserk which messes up the screen. The entire screen not only the firefox window. In some cases also halts systems and automatically reboots. Thanks for support.
That was very good work. Well Done. Please flag your last post as Solved Problem as this can help others with similar problems. Go to that post and click the 'Solved' button to its right.
I am not sure that this solves the problem. I have also got reports that my version of Imac has a weak graphic card. Even though hardware diagnostics cant find any errors the source of the issue is the graphis card itself.
It would be best to take this up with Imac or the support for the graphic card.