Re: Lenovo Thinkpad W540 no power
I have the same laptop, with the same problem. I discovered that with the battery it turns on and stays on. The issue is that when the source is connected, it does not charge the battery. This does not turn on with the source either and the voltage drops.
[url]https://www.youtube.com/watch?v=b6XN7BhChA8[/url]Re: Lenovo Thinkpad W540 no power<br...e the battery.
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