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Magneto017
Paper Tape
Posts: 2
Registered: ‎07-03-2018
Location: IN
Views: 224
Message 1 of 3

Z570 battery icon switching repeatedly and charger led flickering

Hi all,

My lenovo z570 started having this problem yesterday. It was working properly when suddenly the battery icon started switching between charging and not charging mode repeatedly. At first I thought it there were some loose connection but there was not. 

 

If I turn off my laptop it is gettjng charged properly. But if I turn it on keeping the charger connected the battery icon switches repeatedly and the charger led also flickers.

Please help. 

Sr Support Specialist
Posts: 9,529
Registered: ‎11-30-2015
Location: PH
Views: 194
Message 2 of 3

Re: Z570 battery icon switching repeatedly and charger led flickering

Hi Magneto017,

 

Welcome to the Community Forums.

 

I would initially suspect battery failure (base on the model release). It would help isolate if you can have the machine checked with another known good battery first. 

 

Try to connect the charger without turning on the laptop for 1-2 hours as the battery indicator should progress from blinking amber to solid white (assuming that the charger is ok specially if another known good charger is also used). Then try to proceed with measuring the voltage as described here (page 22).

 

I hope this helps answer your query.

Update us how it goes on your end.

 

Regards



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Community SeniorMod
Community SeniorMod
Posts: 7,334
Registered: ‎01-13-2008
Location: US
Views: 184
Message 3 of 3

Re: Z570 battery icon switching repeatedly and charger led flickering

This a WAG:

 

Since you say it charges correctly when off but "flickers" when on, I wonder if your charger is shutting down from over-current or over-temp condition.  If that's happening it may be resetting and trying again quickly after disconnecting itself.

 

The laptop draws more power when charging AND running. It could be the battery as spidey suggests, or a problem with the charger or the laptop's power circuitry.  The charger may be incorrectly detecting an "over" condition, or the laptop may actually be drawing too much current.

 

You may need another power brick to try.

 

Z.


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