HP ProBook 4545s Getting Started HP Notebook - Page 39

Removing or replacing the service door, Removing the service door

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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 slots, hard drive, regulatory label, and other components. To remove the service door: 1. Save your work and shut down the computer. 2. Disconnect AC power and external devices connected to the computer. 3. Turn the computer upside down on a flat surface. 4. Remove the battery (see Inserting or removing the battery on page 29). Removing or replacing the service door 31

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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 slots, hard drive, regulatory label, and other
components.
To remove the service door:
1.
Save your work and shut down the computer.
2.
Disconnect AC power and external devices connected to the computer.
3.
Turn the computer upside down on a flat surface.
4.
Remove the battery (see
Inserting or removing the battery
on page
29
).
Removing or replacing the service door
31