Chosen Solution

So I have a switch lite that i completely dissasembled for a housing replacement and I found out that theres two types of thermal stuff inside (thermal putty? and regular thermal paste). I have MX-2 thermal paste but im not sure if i can replace the pink stuff with it. Is is possible?

Yes that should work fine make sure you clean the old thermal paste off and reapply. Just make sure its non conducive. I use artic