Remove The M.2 2280 Solid-State Drive (For Selected Models) - Lenovo 82QE006MIX Hardware Maintenance Manual

Figure 6. Disconnect the battery pack cable
Step 2. Disconnect the cable from the USB board and remove the coin-cell battery.
Figure 7. Disconnect the cable from the USB board and remove the coin-cell battery
Go to https://support.lenovo.com/partslookup
replacement part:
Coin-cell battery

Remove the M.2 2280 solid-state drive (for selected models)

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable from the system board. Remove the solid-state drive thermal
pad.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
31