Here I go over how we troubleshoot a short to ground on PPBUS_G3H, a main power line on the Macbook Air logic board. Here we have an issue where the CPU vcore circuitry. Many people use the word “short circuit” to describe any type of non-functioning circuit, whether or not it is a short circuit!


Watch this short video to learn from start to finish how we figure out the issue and repair it live on camera.