Remove The Fingerprint Board And Fingerprint Board Cable; Make Sure The Following Frus (Crus) Have Been Removed; Remove The Lower Case; Remove The Battery Pack - Lenovo IdeaPad 5i Hardware Maintenance Manual

Figure 53. Separate the I/O board cable from the I/O board
Go to https://support.lenovo.com/partslookup
replacement parts:
I/O board
I/O board cable

Remove the fingerprint board and fingerprint board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 51
"Remove the battery pack" on page 52
"Remove the hard disk drive (HDD) module" on page 54
"Remove the CMOS battery" on page 59
"Remove the I/O board and the I/O board cable" on page 59
Step 1. Remove the fingerprint board cable.
Figure 54. Remove the fingerprint board cable
Step 2. Remove the fingerprint board.
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
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