Lenovo ThinkSystem HR350A, User Manual And Hardware Maintenance Manual

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To reinstall, reverse the steps above.
2.2.6 Memory module replacement
Do not proceed before reading and understanding the "Safety Precautions" section of this chapter and "Read Me First".
CAUTION:
The following label indicates a sharp-edge hazard.
To install a memory module, do the following:
1.
Turn off all attached devices and the server.
2. Disconnect the ac power cord from the electrical outlet.
3. Remove the top cover. See "2.2.3 Top cover replacement".
4. Remove the air duct. See "2.2.4 Air duct replacement".
5. Open the retaining clips of the appropriate memory slot.
Open the retaining clips of the memory slot
6.
Ensure that notch 1 on the new memory module aligns with key 2 in the memory slot, and then insert the memory module.
7.
Press the top of the new memory module straight down until the retaining clips close and the new memory module snaps into position.