Lenovo 16ACH6H Hardware Maintenance Manual page 38

Figure 6. Remove three screws then remove the right SSD plate
Screw specifications
M2 x L4.5
Step 3. Remove one screw.
Figure 7. Remove one screw
Screw specifications
M2 x L2.0
Step 4. Remove the SSD by pulling it away from the slot.
Figure 8. Remove the SSD by pulling it away from the slot
Step 5. Remove six screws and then remove the battery pack.
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Hardware Maintenance Manual
Number of screws
3
Number of screws
1