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Thinkpad P1: plugged in, not charging

2019-02-27, 18:41 PM

Can't charge my Lenovo Thinkpad P1 (which is 1 week old). I have run diagnostics and nothing is wrong, and the battery condition is good. "Charged threshold" is at 75% (current battery power is 36%), so it should be charging. I must have missed a setting of some sort. Anyone have a solution to fix it so the laptop will charge?

Appreciate all help, thanks.

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3653 Posts

12-02-2007

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Re: Thinkpad P1: plugged in, not charging

2019-03-02, 15:43 PM

Hello,

 

On older models of ThinkPad with higher-wattage power supplies (135W+), AC charging would be disabled if Airplane Mode was turned on.  This was done in order to prevent the power supply from tripping the circuit breaker in airplane seat AC power outlets, which often max out at 75-100W or so.

 

I am not sure what sort of power supply the P1 requires, but if Airplane Mode is enabled, try disabling it and seeing if that makes any difference.

 

Regards,

 

Aryeh Goretsky

 



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1 Posts

05-14-2019

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Re: Thinkpad P1: plugged in, not charging

2019-05-14, 14:51 PM

Since it has been almost three months, it is probably safe to assume this problem is solved, but just in case it is not and for the sake of other users, I am posting this reply.  I had the same problem with my P1.  After contacting Lenovo customer support, the representative instructed me to shutdown the Thinkpad, turn it upside down and look for a small pin-hole near the middle of the base.  I then used a paper clip, pressed it into this hole and held it for 30 seconds.  The problem was then solved and the battery charged as it should.

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04-02-2009

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Re: Thinkpad P1: plugged in, not charging

2019-05-29, 15:51 PM
Tip to reset via the pin-hole near the middle underside of the laptop worked for me. THANKS
--
Thinkpad P1 20MD, Xeon, Windows 10 x64

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2 Posts

04-09-2019

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Re: Thinkpad P1: plugged in, not charging

2019-06-13, 6:21 AM

Had the same problem (using Linux + TLP), paper clip solution worked. Strange.

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9 Posts

03-07-2019

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Re: Thinkpad P1: plugged in, not charging

2019-06-27, 15:04 PM
Worked for me too!
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03-27-2011

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Re: Thinkpad P1: plugged in, not charging

2020-02-09, 21:42 PM

This happened to me as of Friday... was charging fine.  Then would not take a charge.  The magic reset button that helped others had no impact on my systems harge problem.  I also substituded the charger from P72 (basically differen and more powerful).  Same results.  Some firmware is wonky and the reset for 30 seconds did not work 4 tries.

 

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