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ravsg
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Posts: 6
Registered: ‎07-08-2017
Location: AU
Views: 13,535
Message 1 of 4

Lenovo 720 13 plugged in but not charging

Hi just today i saw this problem. tried both the usb type c port still the same. Restart didn't help either. Please help Lenovo support team Australia!

Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 13,466
Message 2 of 4

Re: Lenovo 720 13 plugged in but not charging

Hello Ravsg

Thanks for using the Lenovo forums.


If the unit is not charging, try a static discharge for this, it may help to resolve the issue or at least get rid of any built up static on the motherboard.

(If the battery is internal, please just skip the remove/replace battery steps.)
1. Turn the unit off
2. Remove the battery and the Mains adapter
3. Press and hold the front power button for 30 seconds
4. Replace the battery and the Mains adapter
5. Turn the unit on as normal

 If these steps do not work I would recommend, that you call your local Lenovo support line for a possible service. Below is the link to the phone list where you can find these numbers

 

Hope this helps, let us know how you get on.


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fresh767
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Posts: 8
Registered: ‎10-12-2015
Location: US
Views: 13,448
Message 3 of 4

Re: Lenovo 720 13 plugged in but not charging

I just checked my new Yoga 720-15.  The battery charge is at 54% and no charging taking place.  I checked the power supply unit: 117v to power brick but no voltage exiting the brick at the rectangular connector.  I checked everything at least three times - no change.  Then, while I was checking things, the power brick dropped about 18" onto my porcelain tile kitchen floor and, lo and behold, the laptop showed charging (coincidence?).  Then I unplugged the connector at the laptop to check the voltage at the connector = 0v.  Plugged the unit back into the laptop and NO charge.  Looks like Lenovo may have received some bad power supplies from Liteon.  Meantime I hope I figure this out before the battery goes dead.  What next?

fresh767
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Posts: 8
Registered: ‎10-12-2015
Location: US
Views: 13,445
Message 4 of 4

Re: Lenovo 720 13 plugged in but not charging

OK, here's what i found out.  Keep in mind that I'm NEW to Win10 and, of course, new to my Yoga 720-15:

 

When I reported in my earlier post that the PSU had started to charge the laptop, but only for a very short time and then the system reported 57% charged, plugged in and not charging, I tried several things to see what I could figure out.  Most were related to the power profiles and shutting the unit down and restarting - no luck!  Then, I went into the "Lenovo settings" app and found that the battery charging was being terminated due to the Conservation Mode being ON.  To test, I turned the CM to OFF and the charging began immediately.  The only surprise to me is that my 2010 Samsung has the same battery saving function but terminates the charge at 90%.  I guess technology has changed in 7 years Smiley Very Happy  Anyhow, hope this helps ... all is well on this side of the internet Smiley Wink Consv Mode.PNG

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