Internal components of a portable computing device

A portable computing device, comprising:

• a base portion including a top case and bottom case, the top case comprising:
• a printed circuit assembly disposed in the top case, comprising:
• a heat pipe configured to convey heat from a first portion to a second portion;
• a fastener configured to couple a first region of the heat pipe to the top case;
• and
• a conductive elastomer, configured to attach to the fastener and provide an electrical pathway from the fastener to the bottom case.