HP ProBook 4340s Notebook-PC - Manual (Page 69)

2. Replace the security screw (4), if desired. For additional information about the security screw,
see
Using the optional security screw on page 57 .
NOTE: If you want to use the optional screw, it is stored inside the service door.
3. Insert the battery (see Inserting or removing the battery on page 46 ).
Replacing or upgrading the hard drive
CAUTION: To prevent information loss or an unresponsive system:
Shut down the computer before removing the hard drive from the hard drive bay. Do not remove the
hard drive while the computer is on or in the Sleep state.
Removing the hard drive
1. Save your work and shut down the computer.
2. Disconnect AC power and external devices connected to the computer.
3. Remove the battery (see Inserting or removing the battery on page 46 ).
4. Remove the service door (see Removing or replacing the service door on page 58 ).
NOTE: Instructions for removing the hard drive are imprinted on the service door.
5. Remove the four hard drive screws (1) from the hard drive.
Using hard drives 59