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Video problem, Facebook

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Facebook videos go black. In safe mode they don't. How do I fix this without using Safe mode?

Facebook videos go black. In safe mode they don't. How do I fix this without using Safe mode?

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You can try to disable hardware acceleration in Firefox.

Close and restart Firefox after modifying the setting to make changes effective.

You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.