Lenovo ThinkPad Edge 15 Hardware Maintenance Manual page 68

Table 12. Removal steps of DIMM
Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 (
slot), but not in SLOT-1 (
When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it
snaps into the place. Make sure that it is firmly fixed in the slot and does not move easily.
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Hardware Maintenance Manual
b
: upper slot).
a
: lower