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Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
1070 PCI Express Mini Card for wireless LAN (U300s)
For access, remove these FRUs in order:
• “1010 Base cover (U300s)” on page 54
• “1020 Battery pack (U300s)” on page 56
• “1030 Speakers (U300s)” on page 57
• “1040 Solid State Disk (U300s)” on page 58
• “1050 USB Board (U300s)” on page 59
• “1060 Keyboard and keyboard bezel (U300s)” on page 60
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN
U300s
2
2
1
Disconnect the two wireless LAN cables (black, white)
1
, and then remove the
screw
2
.
In step
1
, unplug the jacks by using the removal tool antenna RF connector
(P/N: 08K7159), or pick up the connectors with your ngers and gently unplug
them in the direction shown by arrows.
Notes: wireless LAN card has 2 cables in step
1
.
wireless LAN card in some models may have 3 cables in step
1
.
Step Screw (quantity) Color Torque
2
M2 × 2.5 mm, at-head, nylok-coated (2) White 1.5 ± 0.3 kgfcm