Lenovo B50-30 Notebook - Manual (Page 51)

Lenovo B50-30/B50-30 Touch/B50-45/B50-70
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1100 USB board and ODD board
For access, remove these FRUs:
• “1010 Battery pack” on page 33
• “1020 Optical drive” on page 34
• “1030 Bottom slot cover” on page 36
• “1070 Keyboard” on page 41
• “1080 Keyboard bezel” on page 43
Figure 10. Removal steps of USB board and ODD board
Disconnect two connectors in the direction shown by arrow . Remove the
screws . Then remove the USB board and ODD board in the direction shown
by arrow .
When installing: Make sure that the ODD and USB connectors are attached
firmly.
Step Screw (quantity) Color Torque
M2.5 x 4 mm, flat‐head, nylok‐coated (3) Black 2.0~2.5kgf.cm
a
b
c
1
2
2
2
3
3
b