Power adapter isn't connecting.

Tamara Zeno when you say it is not connecting , do you mean physically not connecting or just not charging. You do want to go ahead and measure the output of your AC adapter and see what you are getting. If the AC adapter supplies proper voltage (DC 20V) you want to go ahead and disassemble it. Use this guide Lenovo Yoga 3 14 主板更换 to work on it. Check the DC-in jack and make sure it is still properly connected etc. Post some images of what it looks like and how it connects with your question, that way we can see what you see. Use this guide 在已经存在的问题里加入图片 for that.