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I just picked up a Sony Vaio duo yesterday. However, I have found that it probably has a defective screen.

It is a 1080p IPS lcd, but the issue is, when I display solid colors, I can see noticeable wave like screen flickering, like what you would see if you were shacking an LCD or rapidly softly tapping an lcd. However, when I change the refresh rate to 40hz (the only other option besides 60), the flickering noticeably disappears.

I'm probably taking the unit back, but does anyone have a possible cause any ideas on why this happens

thanks!

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I don't have first hand experience with this, but I wonder if the flickering relates to the refresh being at the same rate as your lights causing a noticeable affect. (I've noticed something similar with some 3d TV's in the store). One solution might be to see what happens with the lights off ?

That said, its probably the LCD - and as its a Sony you should replace it for a different brand.

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