Random Black Dot on the Screen

black dots, or more something like this _-, apprear on my screen, but only in windows, not on the side bar. It is very anoying since it apprear every 30 sec and sometime every 5 sec in row. I have bumblebee installed. It may be related.

Here is a screeshot :

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David Miller

David Miller

Executive Financial & Market Analyst

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.

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