Lenovo Z50-70 Hardware Maintenance Manual - Lenovo G50-30, G50-45, G50-70, Z50 - Page 58

System board, Important notices for handling the system board

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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.   54

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54
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
.
±
²