Heat Sink - HP Probook 450 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 for use in models with discrete graphics
Heat sink for use in models with UMA graphics
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.
56 Chapter 6 Removal and replacement procedures for authorized service provider parts
Preparation for disassembly on page
Bottom cover on page 40).
40).
Battery on page 50).
Spare part number
N03344-001
N03345-001