When removing the heat sink and fan of my HP ProBook 4520s notebook, should I be concerned about any thermal material? Tags: Probook Notebooks Heat Fan Components Hewlett Packard Last response: January 5, 2014 5:12 AM in Components Share taday January 5, 2014 5:07:39 AM The service and maintenance guide mention thermal material in case of the heat sink and fan, that I should wipe it off and replace it. If it is necessary, where can I get it? More about : removing heat sink fan probook 4520s notebook concerned thermal material USAFRet a b α HP January 5, 2014 5:12:05 AM Yes, it's required. As for where, that depends on where you are and your preferred method of purchase $7.50 http://www.amazon.com/Arctic-Silver-Thermal-Compound-Gr... m 0 l Can't find your answer ? Ask ! Publish Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !