Lenovo IdeaCentre B540 All In One PC Touchpad Board MT5P27101W2Y6 MT5P27101W204A | eBay
Amazon.com: PK Power AC in Power Cord Cable Outlet Plug Lead for Lenovo IdeaCentre B540 25682TU 25682SU 25682RU 2568XF3 All-in-One Touchscreen Desktop : Electronics
Lenovo IdeaCentre B540 23" Matte LED Screen LM230WF5(TL)(F1)