Lenovo IdeaPad U310 - Manual (Page 59)

Lenovo IdeaPad U310/U410 U310/U410 Touch
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Figure 6. Removal steps of fan assembly and heat sink assembly (continued)
U310/U310 Touch: Remove four screws and screw .
U410/U410 Touch: Remove six screws and screw .
Step Screw (quantity) Color Torque
M2.5 × 3.5 mm, flat-head, nylok-coated
(1) (U310/U310 Touch)
M2.5 × 4.0 mm, flat-head, nylok-coated
(1) (U410/U410 Touch) Silver
Silver
2.5 kgfcm
2.5 kgfcm
b c
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c
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b