Remove The Upper Case (With Keyboard) - Lenovo Legion Y540-15 Series Hardware Maintenance Manual

Figure 38. Remove the key-lock bracket
Step 4. Lift the system board
connector 12 13
Figure 39. Remove the system board
Step 5. Carefully remove the system board.
Refer to "Major FRUs and CRUs" on page 24 to look up details about the following replacement parts:
Key-lock bracket
System board

Remove the upper case (with keyboard)

Make sure the following FRUs (CRUs) have been removed.
9 . Then, detach the I/O board connector
from the system board.
9
10 11 and keyboard backlight
.
Chapter 4 Removing a FRU or CRU
47