Lenovo IdeaPad Flex 5i Chromebook Hardware Maintenance Manual page 42

Figure 15. Disconnect cables connected to the system board
Step 2. Remove ten screws.
Figure 16. Remove ten screws
Screw specifications
M2 x L2
M2.5 x L4
M1.6 x L3
Step 3. Open the hinge and then remove the system board.
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Hardware Maintenance Manual
Number of screws
5
3
2