What problems occurred if graphics card gets too hot?????

my pc configuration is as following
intel core i5 611 @ 3.33GHz
6 gb ddr3 ram
nvidia geforce 9500 gt 1 gb graphics ram
the problem is while watching movies i see too high sharpen picture, its like too many small pixels in picture, i applied heat sink compound before 3 days to gpu, so is dis problem is occurring becoz of heat sink compound????? plz help me
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  1. Best answer
    artifacting can be caused by high temperatures, yes. How much "compound" did you put on? it only needs a dab from a grain of rice to the size of small pea, depending on the size of the chip.
  2. Best answer selected by ambreprasad77.
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