HP ProBook 4446s Notebook-PC - Manual (Page 69)

c. Gently press the memory module (3) down, applying pressure to both the left and right
edges of the memory module, until the retention clips snap into place.
9. Replace the service door (see Removing or replacing the service door on page 45 ).
10. Replace the security screw, if desired (see Using the optional security screw on page 44 .
11. Replace the battery (see Inserting or removing the battery on page 37 ).
12. Turn the computer right-side up, and then reconnect AC power and external devices to the
computer.
13. Turn on the computer.
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