Having problems with your Flat Panel Televisions ?

My samsung LN40A550 started taking a while to come on until it finally did not come on. I have changed the two boards .. it comes on as normal but the picture is very bright with lots of weird colors so I cannot see the image properly ...what can I do ... the new video board I put in is BN41-00975B which is identical to the original ...at least in looks ...any assistance with this one?

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