Lenovo B580 Notebook - Manual (Page 67)

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When installing: Make sure that the connector is attached firmly to the system board.
1140 I/O board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
• “1020 Bottom slot cover” on page 44
• “1030 Optical drive” on page 45
• “1090 Keyboard” on page 53
• “1100 Keyboard bezel” on page 55
Chapter 7 . Removing and replacing a FRU 61