Dell Inspiron 17 (5749, Early 2015) - Manual (Page 27)

Procedure
1 Align the notch on the memory module with the tab on the memory-
module slot.
2 Slide the memory module into the slot at an angle, 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 tab 2 notch
3 memory module 4 securing clips (2)
5 memory-module slot
Post-requisites
1 Replace the base cover .
2 Replace the battery .
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