First of all, that is a low end laptop processor, not designed for overclocking hence the lack of settings.
Second of all, how do you know the memory is overheating? Memory almost never overheats.
Mucking around with the memory timings to make it run cooler is only going to lead to instability.
Have fun suing them. What do you mean about it failing if you remove the memory? You removed the memory and now it doesn't work? That sounds like you broke something.