1110 system board – Lenovo G50-45 Notebook Lenovo User Manual

Page 58

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G50-30/G50-45/G50-70/G50-70m/Z50-70/Z50-75 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 ODD board and 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.





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