Lenovo ThinkCentre M83z Maintenance Manual page 112

3. Remove the computer stand. See "Removing and installing the computer stand" on page 73.
4. Remove the computer cover. See "Removing the computer cover" on page 76.
5. Remove the system-board shield. See "Removing and installing the system-board shield" on page 86.
6. Depending on whether you are installing or replacing a memory module, do one of the following:
• If you are installing a memory module, go to step 7.
• If you are replacing a memory module, open the retaining clips and gently pull the memory module
out of the memory slot.
Figure 42. Removing a memory module
7. Position the new memory module so that the notch
in the memory slot. Then, insert the memory module into the memory slot at an angle of about 20
degrees. Ensure that the new memory module is inserted firmly and then pivot the memory module
downward until it snaps into position.
Notes:
• Carefully handle the memory module by its edges.
• Ensure that the memory module is secured in the slot and does not move easily.
Figure 43. Installing a memory module
8. Install the system-board shield. See "Removing and installing the system-board shield" on page 86.
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ThinkCentre M83z Hardware Maintenance Manual
2 on the memory module aligns with the key 1