Heat Sink Assembly - HP ProBook 430 G4 Maintenance And Service Manual

Heat sink assembly

All heat sink assembly spare part kits include replacement thermal material.
Description
Heat sink
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 following components:
a. Service door (see
b. Hard drive (see
c. WLAN module (see
d. WWAN module (see
e. Keyboard (see
f. Top cover (see
g. Battery (see
h. System board (see
Remove the heat sink assembly:
1. Position the system board upside-down.
2. 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.
Service doors on page
Hard drive on page 33)
WLAN/Bluetooth combo card on page
WWAN module on page
Keyboard on page 42)
Top cover on page 49)
Battery on page 61)
System board on page
31).
37)
39)
67)
Component replacement procedures
Spare part number
910978-001
71