Dell Alienware M17x R4 (Early 2012) - Manual (Page 13)

Replacing the Battery Pack | 13
Replacing the Battery Pack
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
"Before You Begin" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at dell.com/
regulatory_compliance.
Procedure
CAUTION: To avoid damage to the computer, use only the battery
designed for this particular Alienware computer.
Align the tabs on the battery with the slots on the battery bay and snap the battery into
place.
Postrequsites
Follow the instructions in "After Working Inside Your Computer" on page 11.
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