Alienware X51 Service Manual

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Procedure

NOTE: Alienware X51 R3 supports only DDR4 memory modules. If you are adding additional memory modules or upgrading the memory modules, ensure to use DDR4 UDIMMs.

Align the notch on the memory module with the tab on the memory-module slot.
Insert the memory module into the memory-module slot and press the memory module down until it clicks into place.
- NOTE: If you do not hear the click, remove the memory module and reinstall it.
1. memory module
2. securing clips (2)
3. memory-module slot
4. tab
5. notch