Dell Alienware 15 (Early 2015) - Manual (Page 22)

Replacing the memory
modules
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in Before working inside your computer .
After working inside your computer, follow the instructions
in After working inside your computer . For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
1 Align the notch on the memory module with the tab on the memory-
module slot.
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