Remove The System Board And The I/O Board Cable - Lenovo 16IAH7 Hardware Maintenance Manual

Remove the system board and the I/O board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the battery pack" on page 29
"Remove the solid-state drive (SSD) module" on page 30
"Remove the I/O bracket (for DIS)" on page 32
"Remove the D cover mylar" on page 36
"Remove the heat sink" on page 37
"Remove the Wi-Fi card" on page 38
"Remove the fans" on page 38
Step 1. Remove four screws and then open the hinge.
Figure 25. Remove four screws and then open the hinge
Screw specifications
M2.5 x L4
Step 2. Disconnect cables connected to the system board and disconnect the I/O board cable from the I/O
board.
Number of screws
4
.
Chapter 4 Removing a FRU or CRU
41