Lenovo U400 Laptop User Manual


 
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Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
1110 Fan assembly and Heat Sink assembly (U400)
For access, remove these FRUs in order:
“1010 Base cover (U400)” on page 74
“1020 Battery pack (U400)” on page 76
“1030 Hard disk drive (U400)” on page 77
“1040 PCI Express Mini Card for wireless LAN (U400)” on page 78
“1050 System board (U400)” on page 80
Figure 11. Removal steps of fan assembly and heat sink assembly
Detach the fan connector in the direction shown by arrow
1
and loosen four
screws
2
.
1
2 2 2 2
When installing: Make sure that the fan connector is attached firmly to the
system board.