1090 System Board - Lenovo B50-50 Hardware Maintenance Manual

Lenovo B50-50 Hardware Maintenance Manual

1090 System board

For access, remove these FRUs in order:
• "1010 Keyboard" on page 33
• "1020 Optical drive" on page 35
• "1030 Base cover" on page 37
• "1040 Battery pack" on page 39
• "1050 Hard disk drive" on page 40
• "1060 DIMM" on page 42
• "1070 PCI Express Mini Card for wireless LAN/WAN" on page 43
Figure 9. Removal steps of system board
Detach the touch pad connector in the directions shown by arrows
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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.
• In 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.
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