Dell Inspiron 14 (3420, Mid 2012) - Manual (Page 24)

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1 plastic scribe 2 screw
3 optical drive 4 notch
Replacing the Optical Drive
1 Follow the instructions in "Before You Begin" on page 9.
2 Slide the optical drive into the optical-drive compartment until it is fully
seated.
3 Replace the screw that secures the optical drive to the computer base.
4 Replace the keyboard. See "Replacing the Keyboard" on page 17.
5 Replace the battery. See "Replacing the Battery" on page 14.
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
Optical Drive 24