HP ProBook 4446s HP Notebook User Guide - Linux - Page 55

Removing or replacing the service door, Removing the service door

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To use the security screw: 1. Remove the battery. For information on the battery, see Inserting or removing the battery on page 37. CAUTION: Removing a battery that is the sole power source for the computer can cause loss of information. To prevent loss of information, save your work and initiate Hibernation or shut down the computer through the operating system before removing the battery. 2. Remove the security screw from inside the battery bay (1) and insert it (2) to lock the service door in place. Removing or replacing the service door CAUTION: To prevent information loss or an unresponsive system: Save your work and shut down the computer before adding or replacing a memory module or hard drive. 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. NOTE: Your computer may look slightly different from the illustration in this section. Removing the service door Remove the service door to access the memory module slot, hard drive, regulatory label, and other components. Removing or replacing the service door 45

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To use the security screw:
1.
Remove the battery. For information on the battery, see
Inserting or removing the battery
on page
37
.
CAUTION:
Removing a battery that is the sole power source for the computer can cause loss
of information. To prevent loss of information, save your work and initiate Hibernation or shut
down the computer through the operating system before removing the battery.
2.
Remove the security screw from inside the battery bay
(1)
and insert it
(2)
to lock the service
door in place.
Removing or replacing the service door
CAUTION:
To prevent information loss or an unresponsive system:
Save your work and shut down the computer before adding or replacing a memory module or hard
drive.
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.
NOTE:
Your computer may look slightly different from the illustration in this section.
Removing the service door
Remove the service door to access the memory module slot, hard drive, regulatory label, and other
components.
Removing or replacing the service door
45