NM-B191 Laptop Motherboard for Y520-15IKBN — 5B20N00280 / 5B20P24330 / 5B20N00239 — CPU I57300HQ & I77700HQ (DY512)

Replacement motherboard designed for the Y520-15IKBN laptop, identified as NM-B191. Compatible part numbers: 5B20N00280, 5B20P24330 and 5B20N00239. Supports systems using CPU I57300HQ or I77700HQ. Reference code: DY512. Ideal as a direct board swap when restoring or repairing the specified Y520-15IKBN models.