Lenovo G40-45 Hardware Maintenance Manual - Lenovo G40-30, G40-45, G40-70, Z40 - Page 56
System board, Important notices for handling the system board
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G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75 Hardware Maintenance Manual 1110 System board 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 Battery pack" on page 33 • "1020 Base cover" on page 34 • "1030 Optical drive" on page 36 • "1040 Hard disk drive" on page 37 • "1050 PCI Express Mini Card for wireless LAN" on page 39 • "1070 Fan assembly" on page 42 • "1080 Keyboard" on page 44 • "1090 Keyboard bezel" on page 47 • "1100 USB&audio board" on page 50 Figure 11. Removal steps of system board Disconnect the two connectors in the directions shown by arrows 1 and 2. 1 2 52