Motherboard FOR NM-B242 5B20P25845 for 320-17IKB — Compatible with CPUs I57200U I58250U I77500U I78550U

Replacement mainboard for Lenovo 320-17IKB laptops, identified by part numbers NM-B242 and 5B20P25845. This board supports the CPU models I57200U, I58250U, I77500U and I78550U, making it suitable for repairs or system restores on compatible 320-17IKB units. Exact fit for systems that require the NM-B242 / 5B20P25845 motherboard and the listed processor variants.