Laptop Motherboard FOR 510-15IKB - 5B20M31139 NM-A981 (SR2ZU) | CG413 CG513 CZ513 | i5-7200U DDR4 940MX

Replacement laptop motherboard for FOR 510-15IKB models. This mainboard is identified by part number 5B20M31139 and assembly code NM-A981. Board variants include CG413, CG513 and CZ513. Equipped with Intel i5-7200U (SR2ZU), it supports DDR4 memory and features NVIDIA 940MX graphics — a direct-fit option for compatible 510-15IKB systems.