Heat Sink - HP ProBook 450 G8 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 5-12 Heat sink descriptions and part numbers
Description
Heat sink for use in models with discrete graphics memory
Heat sink for use in models with UMA graphics memory
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly
2. Remove the bottom cover
3. Disconnect the battery cable from the system board (see
Remove the heat sink:
1. Discrete graphics models: In the order indicated on the heat sink, loosen the six captive Phillips screws
(1) that secure the heat sink to the computer.
(Preparation for disassembly on page
(Bottom cover on page 30).
Spare part number
M21717-001
M21716-001
30).
Battery on page 31).
Component replacement procedures 43