I honestly don't know what kind of other problems you may run into. It was just more of a warning that other problems might pop up, due to the slower processor.
As far as I know, you can't buy a new processor and pop in it a laptop, like you can a desktop. Laptops aren't meant to be all that upgradeable, with exception to adding more memory and maybe a new hard drive they aren't upgradeable.
I'd say though, if you're willing to give it a try, go ahead. If for some reason it isn't working for you. Uninstall it.
MrsFlynn