Dell Inspiron 15 (3543, Early 2015) - Manual (Page 27)

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 memory module 2 securing clips (2)
3 notch 4 tab
5 memory-module slot
Post-requisites
1 Replace the base cover .
2 Replace the battery .
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