Removal And Replacement Procedures For Authorized Service Provider Parts; Fan And Heat Sink Assembly - HP ProBook 640 G1 Maintenance And Service Manual

6 Removal and replacement procedures for
Authorized Service Provider parts
CAUTION: Components described in this chapter should only be accessed by an authorized service provider.
Accessing these parts can damage the computer or void the warranty.

Fan and heat sink assembly

NOTE: The fan and heat sink assembly spare part kit includes replacement thermal material.
Description
Fan
Heat sink for computer models with Intel UMA graphics memory
Heat sink for computer models with discrete graphics
Before removing the fan and heat sink assembly, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
a. Service cover (see
b. Hard drive (see
c. Optical drive (see
d. Keyboard (see
Remove the fan:
1. Disconnect the fan cable (1) from the system board, loosen the two captive screws (2), and then
remove the fan.
Battery on page 64), and then remove the following components:
Service cover on page
Hard drive on page 66)
Optical drive on page
Keyboard on page 80)
65)
77)
Spare part number
738685-001
738686-001
738393-001
Fan and heat sink assembly 87