Dell Alienware M17x R4 (Early 2012) - Manual (Page 24)

24 | Replacing the Memory Module(s)
Replacing the Memory
Module(s)
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.
NOTE: Memory modules purchased from Dell or Alienware are covered under your
computer warranty.
NOTE: If you purchased a dual-core processor, your computer supports only
memory module connectors DIMM 1 and DIMM 2.
NOTE: Your computer supports up to four memory module connectors. You can
access connectors DIMM 1 and DIMM 2 by removing the compartment door at the
bottom of your computer. You can access connectors DIMM 3 and DIMM 4 by
removing the memory-module cover on top of the palm rest assembly.
Procedure
NOTE: If you need to install memory modules in two connectors, install a memory
module in the lower connector before you install a memory module in the upper
connector.
1 Align the notch in the memory module with the tab on the memory-module
connector.
2 Slide the memory module firmly into the connector at a 45-degree angle, and press
the memory module down until it clicks into place. If you do not hear the click,
remove the memory module and reinstall it.
NOTE: If the memory module is not installed properly, the computer may not boot.
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