Lenovo Ideapad 120s-14IAP USB Daughterboard Replacement - iFixit Repair Guide
Disassemble laptop of Lenovo IdeaPad 120S-14IAP - YouTube
Lenovo IdeaPad 120s-14IAP Repair - iFixit
New P/n:431203323050 , For Lenovo Ideapad 120s-11iap Notebook Motherboard , 5b20p23755 ( With N3350 Cpu 2g Ram 32g Ssd ) Test Ok - Laptop Motherboard - AliExpress