1130 System Board And Touchpad Module - Lenovo M50-70 Hardware Maintenance Manual

M50-70/M50-80 Hardware Maintenance Manual

1130 System board and touchpad module

For access, remove these FRUs in order:
• "1010 Optical drive" on page 33
• "1020 Keyboard" on page 35
• "1030 Base cover" on page 37
• "1040 Battery pack" on page 40
• "1050 Hard disk drive" on page 42
• "1060 PCI Express Mini Card for wireless LAN" on page 44
• "1080 ODD board" on page 48
• "1090 Docking board" on page 49
• "1100 Speakers" on page 51
• "1110 Thermal module" on page 52
• "1120 USB board and finger print board" on page 53
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Important notices for handling the system board:
When handling the system board, bear the following in mind.
• Be careful not to drop the system board on a bench top that has a hard surface,
such as metal, wood, or composite.
• Avoid rough handling of any kind.
• During the whole process, make sure not to drop or stack the system board.
• If you put a system board down, make sure to put it only on a padded surface such
as an ESD mat or conductive corrugated material.