5B20J30778 Mainboard LA-C771P (SR1YJ) for 100-15IBY — Celeron N2840 DDR3 Laptop Motherboard

Replacement laptop mainboard model 5B20J30778, PCB code LA-C771P with CPU identifier SR1YJ. Built for the 100-15IBY series and paired with the Intel Celeron N2840 processor. This DDR3-compatible system board serves as a direct motherboard swap for the specified 100-15IBY notebook. Ensure part numbers (5B20J30778 / LA-C771P / SR1YJ) match your device before ordering.