How to repair the parts that explode in Lenovo Yoga laptops

Lenovo Yoga laptops, especially those from the “900”, “920”, “930”, and “940” series, have a design defect where their power circuitry can self-destruct. The company will not acknowledge this defect as serious enough for a recall, and has left many customers with broken audio (or worse) on their notebooks. I have micrograph of this defect on my own Yoga, transistor “Q5” has a hole blown clean through it. According to the schematic I found, it’s a power MOSFET that turns on/off the audio circuit. A blown up component on a $1400 computer?? “upgrading your drivers” won’t fix this one, this exploded transistor once controlled the computer’s audio system Like many others, including people on amazon and more than 50 people on Lenovo’s own forum, company support was unhelpful as inconveniently, these failures often happen just out of the warranty period. Furthermore, lenovo has no sufficient replacement parts available for sale, and what is for sale online from 3rd party sellers is more ... Read full article.