Fan/Heat Sink Assembly - HP ProBook 470 G1 Maintenance And Service Manual

Fan/heat sink assembly

All fan/heat sink assembly spare part kits include replacement thermal material.
Description
Fan/heat sink assembly
Before removing the fan/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 door (see
b. Hard drive (see
c. Optical drive (see
d. WLAN/Bluetooth module (see
e. Keyboard (see
f. Top cover (see
g. System board (see
Remove the fan/heat sink assembly:
1. Position the system board upside-down.
2. To remove the fan/heat sink assembly, in the order indicated on the heat sink, loosen the 6
captive Phillips screws (1)-(6) that secure the heat sink to the system board.
3. Disconnect the fan cable from the system board (7).
Battery on page 34).
Service door on page
Hard drive on page 36)
Optical drive on page
WLAN/Bluetooth combo card on page
Keyboard on page 45)
Top cover on page 47)
System board on page
35).
39)
60)
Component replacement procedures
Spare part number
721937-001
43)
67