HP ProBook 4740s Notebook-PC - Manual (Page 63)

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, in the Suspend state, or in Hibernation.
If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the
power button. Then shut down the computer through the operating system.
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 43 .)
4. Remove the service door. (See Removing or replacing the service door on page 50 .)
5. Remove the four hard drive screws (1) from the hard drive.
NOTE: Instructions for removing the hard drive are also imprinted on the service door.
Replacing or upgrading the hard drive 53