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Laptop will not charge with Lenovo supplied power adapter.

Laptop will not charge with Lenovo power adapter or any other USB-C power source I have tried. When plugged into power the light adjacent to the power port flashes (amber color) every 2-3 seconds. Laptop worked fine yesterday. I suspect a bad power port on the laptop. Is there any way to confirm this?

SOLVED: I opened the back and removed the battery. It still would not boot when plugged into the power adapter, I reconnected the battery, replaced the back and the problem was fixed. It's charging normally now.

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SOLVED: I opened the back and removed the battery. It still would not boot when plugged into the power adapter, I reconnected the battery, replaced the back and the problem was fixed. It's charging normally now.

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The fix above did not last very long and it eventually stopped charging again. After some back and forth with Lenovo tech support it was decided that I needed a new motherboard. I sent it back to them and had it repaired. Now the laptop charges normally but I have a new problem. It is often reluctant to awake from sleep mode. I have disabled all sleep settings and continue to have this problem. But this is a topic for a new post...

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David Pinals さん、ありがとうございました！
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