Lenovo ThinkPad T420 Hardware Maintenance Manual - Page 88
until it snaps into place. Make sure that it is firmly fixed in the slot and does not move easily.
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2 1 3 2 When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into place. Make sure that it is firmly fixed in the slot and does not move easily. 82 ThinkPad T420 and T420i Hardware Maintenance Manual
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When installing:
Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it
until it snaps into place. Make sure that it is firmly fixed in the slot and does not move easily.
82
ThinkPad T420 and T420i Hardware Maintenance Manual