HP EliteBook 820 G1 Notebook PC - Manual (Page 50)

3. With the battery bay toward you, slide the service door release latch to the right (3), and if you
choose to, insert and tighten the optional screw (4) to hold the service door in place. Slide the
release latch to the left to lock the service door (5).
NOTE: If you want to use the optional screw, it is stored inside the service door.
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 Suspend, 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
To remove a hard drive:
1. Save your work.
2. Shut down the computer and close the display.
3. Disconnect all external hardware devices from the computer.
4. Unplug the power cord from the AC outlet.
5. Turn the computer upside down on a flat surface with the front of the computer toward you.
40 Chapter 7 Drives