Remove The Fingerprint Sensor; Remove The Active Pen; Remove The Lower Case - Lenovo Yoga C940–15IRH Hardware Maintenance Manual

Step 3. Remove the thermal module.
Figure 17. Remove the thermal module
Go to
https://support.lenovo.com/partslookup
part:
Thermal module

Remove the fingerprint sensor

Make sure the following FRU (or CRU) have been removed.
"Remove the active pen" on page 28
"Remove the lower case" on page 29
"Remove the battery pack" on page 30
Step 1. Remove one screw.
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Lenovo Yoga C940–15IRH Hardware Maintenance Manual
to look up the Lenovo part number of the following replacement