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Paper Tape
Posts: 1
Registered: ‎02-27-2019
Location: NO
Views: 1,706
Message 1 of 6

Thinkpad P1: plugged in, not charging

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.

Community SeniorMod
Community SeniorMod
Posts: 3,395
Registered: ‎12-01-2007
Location: US
Views: 1,630
Message 2 of 6

Re: Thinkpad P1: plugged in, not charging



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.




Aryeh Goretsky


I am a volunteer and neither a Lenovo nor a Microsoft employee.

L380 YogaP72 (20MB-*)P50 (20EN-*)S230u (3347-4HU)T23 (2648-LU7)T42 (2378-R4U)T43p (2678-H7U)T61p (6459-CTO)W510 (4318-CTO)W530 (2441-4R3)W530 (2441-4R3)X100e (3508-CTO)X120e (0596-CTO)X220 (4286-CTO)X250 (20CM-*)Yoga 370

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What's DOS?
Posts: 1
Registered: ‎05-14-2019
Location: US
Views: 1,356
Message 3 of 6

Re: Thinkpad P1: plugged in, not charging

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.

Posts: 38
Registered: ‎04-01-2009
Location: US
Views: 1,202
Message 4 of 6

Re: Thinkpad P1: plugged in, not charging

Tip to reset via the pin-hole near the middle underside of the laptop worked for me. THANKS

Thinkpad X1 Yoga 20FQCTO1WW, Windows 10 Pro x64, Touch, LTE, 1TB SSD
Paper Tape
Posts: 2
Registered: ‎04-09-2019
Location: AT
Views: 1,111
Message 5 of 6

Re: Thinkpad P1: plugged in, not charging

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

Paper Tape
Posts: 8
Registered: ‎03-07-2019
Location: NL
Views: 938
Message 6 of 6

Re: Thinkpad P1: plugged in, not charging

Worked for me too!

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