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I have a 21 inch CRT Monitor. It works fine in all other rooms except mine. In my room, the display rolls upwards from the instant it is switched on. Please guide me as to what is causing this vertical rolling/flickering.


Answers :

Its the Hz it is set on the "refresh rate" it is likely you have in all other rooms except yours teh same kind of lighting and in this one room it likely has the same Hz lighting as your crt monitor set it above 60hz and you should be fine.
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