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Black screen

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Some of websites pages are turned black. they still can be read. the text is there. the images are vivid. but the background is turned black. like night mode!

Some of websites pages are turned black. they still can be read. the text is there. the images are vivid. but the background is turned black. like night mode!
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Modified by johncunner7

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Some web pages use dark backgrounds. You can use a bookmarklet called "zap colors" and, if you don't like a white background, then use the bookmarklet "zap white backgrounds". They are on this page: https://www.squarefree.com/bookmarklets/zap.html

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Unfortunately didn't work. The problem is still there. Even turning off/on the hardware acceleration didn't work. Anyone have any idea what caused this?