HP ProBook 6475b Maintenance And Service Manual page 91

12. Remove the base enclosure by lifting it straight up from the computer.
NOTE: When replacing the bottom cover, make sure to remove the RJ-11 jack cover from the slot in
the base enclosure if the repaired unit includes a modem.
NOTE: Thoroughly clean the thermal pad material from the surfaces of the base enclosure (1) and
the PCH chip (2) each time you remove the base enclosure. All base enclosure and system board spare
part kits include replacement thermal pad material.
Reverse this procedure to install the base enclosure.
Component replacement procedures
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