Lenovo Thinkbook Series Hardware Maintenance Manual page 62

Figure 48. Remove two screws and open the right hinge
Screw specifications
M2.5 x 5.5 mm
Step 3. Remove three screws. Then, remove the system board.
Figure 49. Remove three screws the system board
Screw specifications
M2 x 3.0 mm
Go to
https://support.lenovo.com/partslookup
replacement part:
System board
56
Lenovo Thinkbook series Hardware Maintenance Manual
Number of screws
2
Number of screws
3
to look up the Lenovo part numbers of the following