Heat Sink - HP ProBook 6475b Maintenance And Service Manual

13. Remove the system board (2) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.

Heat sink

NOTE: The heat sink spare part kit includes replacement thermal material.
Description
Heat sink for use only on HP ProBook 6475p Notebook PC computer models
Heat sink for use only on HP ProBook 6470b Notebook PC computer models equipped with a
graphics subsystem with discrete memory
Heat sink for use only on HP ProBook 6470b Notebook PC computer models equipped with a
graphics subsystem with UMA memory
Before removing the heat sink, 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
Battery on page 68), and then remove the following components:
Service cover on page
Hard drive on page 74)
Hard drive on page
70)
74)
Component replacement procedures
Spare part number
658543-001
686021-001
693371-001
111