Diagnosing a laptop motherboard is a meticulous task that requires method, patience, and the right tools. In this article, we'll walk you through the steps of analyzing a motherboard, from the power supply to critical components like the BIOS, EC, and MOSFETs. We'll conclude by explaining how to identify a BIOS problem and reprogram it using a programmer, a suitable socket, and the correct BIN file. ⚡ 1. Power supply check (Electricity IN) The first step is to ensure that pow