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When connecting my PC to TV it flickers

Last response: in Home Theatre
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Check for ground loop. Also try changing the frequency to 59Hz or 60Hz and not more. If you PC or video card is overclocked, try reducing it. Get a voltage meter and the the ground of the PC on one lead and one on the TV; voltage reading should be lower than 20V AC if any. Anything high may damage both units.
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