Im mining with nicehash, something which happens to me is when i open games, even low weight ones if i dont set min framerate it overheats and shuts down. (Using AMD vaio laptop with integrated Radeon, works at least for low graphic requiring games similar to WoW, not capable to run higher ones like EVE/BF) Same happens with Nicehashminer, but here's no framespersecond measurement

So ive searched in forum and inernet and they say to reduce intensity/performance to 30% aprox.
But in the settings I find different values that could be the intensity, but could also not be. So before I created a new topic i searched at forum and found nothing this is why i ask:

switch minimum AMD was 90. is this the one to reduce?
switch minimun fixed was90 also.

"Fixed mine of minimal time in seconds before miner switches algorythm" message info says at ? icon, so i guess it is not the efficiency/performance values since it is related to the intervals of time the miner switches algorythms? If i understood well?

minimal idle, minimal restart delay, minimum dynamic, api bind port pool start, switch profitability threshold, ethminer default block height, miner api query interval (is at 5 but doesnt explain 5 what...) are another values that i dont seem to understand. Miner info ? icons briefly explain this, but can anyone link me to a guide for better understanding and wider explaining about this please?

Thank you in advance