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HP 250 256 G5 Notebook 15-AY Series 858584-601 Pentium N3710 UMA Motherboard NEW | eBay
HP 730671-001 - Laptop Motherboard for 250 G1
HP 685761-501 System board (motherboard) - Intel HM75 Express Chipset - For use in models equipped with an Intel Core i5 or i3 processor, a graphics subsystem with UMA video memory, and
Inside HP 250 G8 - disassembly and upgrade options | LaptopMedia.com