Lenovo ThinkCentre 3656 Hardware Maintenance Manual page 119

1. Ensure that all components have been reassembled correctly and that no tools
or loose screws are left inside your computer.
2. Replace the cover.
3. Reconnect the external cables and power cords to the computer. See "Rear
connectors" on page 85.
4. If you have replaced the system board, you must update (flash) the BIOS. See
"Flash update procedures" on page 473.
5. Some FRU replacements require the configuration to be updated. See Chapter 6,
"Using the Setup Utility," on page 51.
Chapter 8. Replacing FRUs - Tamdhu Computers
113