Lenovo 28155YU Laptop User Manual


 
Table 26. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot
frame (continued)
1
1
1
2
Step Screw (quantity) Color Torque
1 M2 × 3.5 mm, big-head, nylon-coated (3) Black 0.167 Nm
(1.7 kgfcm)
2 M2 × 6 mm, bind-head, nylon-coated (1) Black 0.167 Nm
(1.7 kgfcm)
In step 4, remove the system board and fan assembly together from the base
cover assembly.
3
4
Removing and replacing a FRU 119