Heat Sink - HP ProBook 445 G9 Maintenance And Service Manual

3. Remove the fingerprint reader board from the computer (4).
Reverse this procedure to install the fingerprint reader board.

Heat sink

To remove the heat sink, use these procedures and illustrations.
Table 6-7 Heat sink descriptions and part numbers
Description
Heat sink
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (see
2. Remove the bottom cover (see
3. Disconnect the battery cable from the system board (see
Remove the heat sink:
1. In the order indicated on the heat sink, loosen the four captive Phillips screws (1) that secure the heat
sink to the computer.
54 Chapter 6 Removal and replacement procedures for authorized service provider parts
Preparation for disassembly on page
Bottom cover on page 38).
Spare part number
M47406-001
38).
Battery on page 48).