HP ProBook 4740s Notebook-PC - Manual (Page 62)

2. Replace the security screw (4), if desired. For additional information about the security screw,
refer to
Using the optional security screw on page 50 .
3. Replace the battery. (See Inserting or removing the battery on page 43 ).
4. Turn the computer right-side up, and then reconnect AC power and external devices to the
computer.
5. Turn on the computer.
52 Chapter 7 Drives