NM-C771 5B21B63290 Laptop Motherboard — CPU R54500U UMA 8G Y-A for E15 E14 Gen 2 (type 20T8 20T9 20T6 20T7)

Replacement laptop computer motherboard NM-C771 (5B21B63290) equipped with onboard CPU R54500U, UMA graphics and 8G memory on the Y-A board revision. Compatible with E15 and E14 Gen 2 models and specifically fits type 20T8, 20T9, 20T6 and 20T7 configurations. Use this mainboard when you need a like-for-like swap for the listed model types — verify the board and type numbers match your device before installing.