Lenovo E41-80 Hardware Maintenance Manual page 71

• 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 50
• "1020 Keyboard" on page 50
• "1030 Optical disk drive" on page 52
• "1040 Base cover assembly" on page 54
• "1050 Hard disk drive or solid-state hybrid drive" on page 56
• "1060 Wireless-LAN /Bluetooth card" on page 57
• "1080 Upper case" on page 59
• "1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board,
LED board and ODD switch board" on page 61
Removal steps of the system board
Detach EDP cable connector 1 .
a
.
Chapter 10 Removing or replacing a FRU
65