Lenovo 350828U Laptop User Manual


 
Table 21. Removal steps of system board, fan assembly, and backup battery
4
4
1
2
3
Step Screw (quantity) Color Torque
4 M2 × 4 mm, wafer-head, nylon-coated (2) Silver 0.181 Nm
(1.85 kgfcm)
When installing: Make sure that the connectors are attached firmly.
94 ThinkPad X100e Hardware Maintenance Manual