Hello everybody, I have a macbook pro mid 2012 and since 2014 (when I bought it) I never cleaned it up. So now it is heating up pretty good even with light workloads. Than I'm taking it to be cleaned up and the guy said that they replace the thermal paste over the processor also, and I would like to know if the cleaning and the paste replacement is safe and if is going to help the heating problem. Also, I would like to know if I should buy a very good quality thermal paste for hem to apply, because I don't think the their paste is that good, might be a regular one probably. Thanks a lot!