Lenovo Legion Y540-15 Series Hardware Maintenance Manual page 55

Figure 41. Remove the 2 screws
Screw specifications
2
M2.5 x 7.0
Step 3. Turn over the computer. Then, remove the 6 screws that secure the hinges to the upper case.
Figure 42. Remove the 6 screws
Screw specifications
3
M2.0 x 8.0
4
M2.5 x 7.0
Step 4. Remove the upper case.
Attention: Do not pull out the upper case before detaching the EDP cable connector. Otherwise
the cable may be damaged.
Number of screws
2
Number of screws
2
4
.
Chapter 4 Removing a FRU or CRU
49