Lenovo IDEACENTRE 300s series Maintenance Manual page 38

Step 7. Remove the memory module being replaced by opening the retaining clips as shown.
Step 8. Insert the notched end
firmly and pivot the memory module until it snaps into place. Make sure that the memory module is
secured in the slot and does not move easily.
Step 9. For ideacentre 300S-11ISH, refer to the below instructions:
Step 10. Remove the memory module being replaced by opening the retaining clips as shown.
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ideacentre 300S Series Hardware Maintenance Manual
1 of the new memory module into the slot. Press the memory module