HP ProBook 440 G1 Notebook PC Maintenance and Service Guide

c. Lift the fan/heat sink from the system board (8).

NOTE: For discrete models, thoroughly clean thermal material from the surfaces of the

system board components (1)(3) and the heat sink (2)(4) each time you remove the heat

sink. All heat sink and processor spare part kits include thermal material.

UMA models:

a. To remove the UMA fan/heat sink assembly, in the order indicated on the heat sink, loosen

the 4 captive Phillips screws (1)-(4) that secure the heat sink to the system board.

b. Disconnect the fan cable from the system board (5).

Component replacement procedures