Lenovo U400 Laptop User Manual


 
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Lenovo IdeaPad U300/U300s/U400
1060 Fan assembly and Heat Sink assembly (U300)
For access, remove these FRUs in order:
“1010 Base cover (U300)” on page 34
“1020 Battery pack (U300)” on page 36
“1030 Hard disk drive (U300)” on page 37
“1050 PCI Express Mini Card for wireless LAN (U300)” on page 39
Figure 6. Removal steps of fan assembly and heat sink assembly
Detach two fan connectors in the direction shown by arrows
1
, remove four
screws
2
and four screws
3
.
2
2
3
3
3
1
1
When installing: Make sure that the fan connector is attached firmly to the
system board.
Step Screw (quantity) Color Torque
2
M2 × 3 mm, at-head, nylok-coated (4) White 1.5 ± 0.2 kgfcm
3
M2 × 4 mm, at-head, nylok-coated (4) Black 1.5 ± 0.2 kgfcm