1100 System Board - Lenovo E40–80 Hardware Maintenance Manual

Push forward the LED board

1100 System board

Important notices for handling the system board
When handling the system board, read the following:
• 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.
• At every point in the process, be sure not to drop or stack the system board.
• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a
corrugated conductive material.
For access, remove these FRUs in order:
• "1010 External battery pack" on page 54
• "1020 Keyboard" on page 54
• "1030 Optical disk drive" on page 56
• "1040 Base cover assembly" on page 57
• "1050 Hard disk drive or solid-state hybrid drive" on page 58
• "1060 Wireless-LAN /Bluetooth card" on page 60
• "1080 Upper case" on page 62
• "1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board and
LED board" on page 63
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Hardware Maintenance Manual
11 and remove it in the direction shown by arrow 12 .