43
Lenovo IdeaPad U300/U300s/U400
1070
System board
(U300)
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.
For access, remove these FRUs in order:
• “1010 Base cover (U300)” on page 34
• “1020 Battery pack (U300)” on page 36
• “1030 Hard disk drive (U300)” on page 37
• “1050 PCI Express Mini Card for wireless LAN (U300)” on page 39
• “1060 Fan assembly and Heat Sink assembly (U300)” on page 41