オリジナル投稿者： oldturkey03 ,
'''kevin howard''' the DC jack is soldered to the motherboard. So you would want to remove that first. Use something like this guide [guide|31789] or [https://www.youtube.com/watch?v=j1nrbhl05xg|this video] for that. After that you will have to desolder the old jack to replace it with a new one from places [https://www.amazon.com/GinTai-Replacement-ChromeBook-C720-3404-C720-2848/dp/B01MRE37ME|like this] and many others.