Lenovo IdeaPad S300 Hardware Maintenance Manual
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1070 System board
For access, remove these FRUs in order:
• “1010 Battery pack” on page 33
• “1020 Hard disk drive” on page 35
• “1030 DIMM” on page 37
• “1040 PCI Express Mini Card for wireless LAN/WAN” on page 38
• “1050 Fan assembly and Heat Sink assembly” on page 40
• “1060 Keyboard” on page 42
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.