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When logging on it flashes on and off. Is this normal..it is anoying .

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the screen goes black and on again repeatdely flashing when signing on.

the screen goes black and on again repeatdely flashing when signing on.

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What flashes on and off? Is it a specific site?

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What flashes on and off? Is it a specific site?

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Just when logging on. But it is not doing it now...I think since I asked the question it was somehow resolved on the Firefox end. That is my guess. Thank you for your response.