Heat Sink Assembly - HP ProBook 470 G2 Maintenance And Service Manual

Heat sink assembly

All heat sink assembly spare part kits include replacement thermal material.
Description
Heat sink assembly:
For use in models with discrete graphics and all processors except for the Intel i7-4558U
For use in models with discrete graphics and an Intel i7-4558U processor
Before removing the heat sink assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Service doors (see
b. Hard drive (see
c. Optical drive (see
d. WLAN module (see
e. Keyboard (see
f. Top cover (see
g. System board (see
Remove the heat sink assembly:
1. Position the system board upside-down.
2. Models are available with discrete graphics.
Discrete models:
a. To remove the heat sink assembly, in the order indicated on the heat sink, loosen the 6 captive
Phillips screws (1) that secure the heat sink to the system board.
Battery on page 35).
Service door on page
Hard drive on page 38)
Optical drive on page
WLAN/Bluetooth combo card on page
Keyboard on page 46)
Top cover on page 49)
System board on page
36).
42)
44)
67)
Component replacement procedures
Spare part number
768050-001
768049-001
73