Remove The Cmos Battery; Remove The I/O Board And The I/O Board Cable - Lenovo IdeaPad 5i Hardware Maintenance Manual

Speaker

Remove the CMOS battery

Make sure the following FRU (CRU) has been removed.
"Remove the lower case" on page 51
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the CMOS battery cable from the I/O board and then remove the CMOS battery.
Figure 50. Remove the CMOS battery
Go to https://support.lenovo.com/partslookup
part:
CMOS battery

Remove the I/O board and the I/O board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 51
"Remove the CMOS battery" on page 59
Step 1. Remove two screws and then open the hinge.
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
59