Lenovo U400 Laptop User Manual


 
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Lenovo IdeaPad U300/U300s/U400
1100 Keyboard and keyboard bezel (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
“1060 USB board and HDD board (U400)” on page 82
“1070 Speakers and microphone (U400)” on page 84
“1080 Optical drive (U400)” on page 86
“1090 LCD unit (U400)” on page 87
Figure 10. Removal steps of keyboard and keyboard bezel
Remove one screw
1
, and then remove the power button
2
.
1
2
Step Screw (quantity) Color Torque
1
M2 × 3.5 mm, at-head, nylok-coated (1) Black 1.6 ± 0.24 kgfcm