Cooling fan for Laptops?

[HDR]

SUMMER!..laptop is overheating causing lags in gaming..any suggestions on what good cooling fans for a laptop?

ACER Aspire 4755g..

[KitC]

Try opening it up (if no longer under warranty) and see if the heatsink and air passages are blocked by dust fiber. You may have to reapply TIMs to the cpu/heatsink. I've seen too many laptops that had this problem.