Remove The Coin-Cell Battery - Lenovo Legion S7 16IAH7 Hardware Maintenance Manual

"Remove the lower case" on page 28
"Remove the 71Wh battery pack and battery frame (for selected models)" on page 29
"Remove the 99.99 Wh battery pack (for selected models)" on page 31
Step 1. Disconnect the speaker cables. Then, remove the speakers.
Figure 27. Disconnect the speaker and remove the speakers
Go to
https://support.lenovo.com/partslookup
replacement parts:
Speaker

Remove the coin-cell battery

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the 71Wh battery pack and battery frame (for selected models)" on page 29
"Remove the 99.99 Wh battery pack (for selected models)" on page 31
Step 1. Remove the coin-cell battery mylar. Then, disconnect the coin-cell battery cable and remove the
coin-cell battery.
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Lenovo Legion S7 (16", 7) Hardware Maintenance Manual
to look up the Lenovo part numbers of the following