HP 15 Notebook PC HP 15 TouchSmart Notebook PC Compaq 15 Notebook PC Compaq 15 TouchSmart Notebook PC HP 250 G2 Notebook PC HP 255 G2 Notebook PC Maintenance and Service Guide

Intel processor and discrete graphics (not Bay Trail)
Remove the heat sink:
a. Loosen the four Phillips screws that secure the heat sink to the system board (1).
b. Remove the heat sink (2) from the system board.
92 Chapter 4 Removal and replacement procedures