Lenovo M50-70 Laptop (English) Hardware Maintenance Manual - Page 60
System board and touchpad module, Important notices for handling the system board
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M50-70/M50-80 Hardware Maintenance Manual 1130 System board and touchpad module 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. 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 56