Fan And Heat Sink Assembly - HP 640 ProBook G3 Series Maintenance And Service Manual

3. Lift the system board (4), and then remove it (5).
Reverse this procedure to install the system board.

Fan and heat sink assembly

Description
Fan and heat sink assembly
For 14" products with integrated graphics
For 15" products with integrated graphics
For 15" products with high-quality integrated graphics (select products only)
IMPORTANT:
replacement
Before removing the fan and heat sink, follow these steps:
1. Shut down the computer.
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. Remove the battery (see
Make special note of each screw and screw lock size and location during removal and
Service door on page
Battery on page
37).
38)
Component replacement procedures
Spare part number
840662-001
840732-001
920191-001
59