(02-25-2013, 07:52 PM)anubhav91 Wrote: (...)
i get decent speed but after some time speed drops
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my pc spec are
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-laptop here-
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Your problem is very simple - overheating. Observe your system temperatures and clocks with a program like CoreTemp.
Basically what happens, when you're playing games clocks should be high and soo temperature rises, then after some time when your speed is killed cause clocks drops to decrease temperature. The time it takes you to change settings is enough to cool down the system to allow another short play, or if you're using your dedicated gpu dx9 is much heavier and you get gpu limited making your cpu to cool down enough to run fast again on dx11, that's all.
Overheating is normal couse laptops aren't made to run on their full power for extended periods of time. If you have any external fan or cooling, you could try to direct it at the case, it can help with heat exchange a bit and allow you to play longer, same with using speedhacks, even if you don't need those, try using some slider speedhacks to decrease cpu usage and make it cooler, forget about using MTvu unless you actually need it, couse it will heat your cpu even more. Also yeah, make sure you're actually using Nvidia not intel hd, the latter is integrated with cpu and when you run anything on intel hd, your cpu temperature rises even more easily causing overheat problems much easier/faster.