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Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-06-09, 16:02 PM

I'm new here, so please go easy on me. :)

 

As the topic says, it is all self-explanatory already. I would gladly appreciate any help that anyone could provide (Or maybe even a link to a solution to this problem, if there is already one.)

 

For now, I am still in hesitation whether it is the battery's fault or my charger's.

 

Many thanks!

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Re: Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-06-09, 17:09 PM

Hi Jon873 , 

 

Welcome to the Community Forums.

 

Would you have the machine model number for us to check on specific machine details ?

Would it go off as soon as you unplug the ac adapter charger?

 

Initially for battery charging issue , you can uninstall microsoft acpi-compliant control method battery and restart . 

If same issue you can proceed uninstalling the Energy manager from control panel > programs and features. 

Restart and check for the battery status . To reinstall  the energy manager , just download it from the support website.

 

Create a battery status report  to check on the battery charge health after charging for 1 hour.

 

Update us how things go.

 

Regards



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Re: Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-06-09, 18:04 PM

1.) Not sure if this is right but this is the Model Name: 80E1. And yes, it does go off when I unplug the AC charger.

2.) I'll try uninstalling the energy management but unfortunately for me, I tried uninstalling the acpi-compliant control method battery before I started this topic and it didn't work.

3.) Out of curiosity, in what way will this help me? My laptop hasn't been able to get above the 0% mark, so I'm quite curious to know how this would help if.

 

3.1) In recent usages, yesterday (when the laptop was charging normal) was......normal. Today however, there is no mention of any capacity remaining unlike the previous days.

3.2) In battery usages, there is no mention of any logs beyond the time the I powered the computer down.

3.3) Likewise, in usage history, there is nothing as well.

3.4) This is where it gets interesting. In Battery capacity history, usually, the full charge capacity for my battery would range around 24k-26k but during 06-09, it was only 15k. Any reason why for this?

3.5) Battery life estimates is like the rest (except for 3.4).

 

Hope that's enough. :D

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Re: Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-06-09, 20:36 PM

Hi Jon873 , 

 

Greetings. 

 

Model:80E1 , Product Name : G40-45 , Machine type : (different variants differ in devices like capacity of ram, harddrive,  battery type ) . Just keep the SN confidential , check also on parts lookup page (this would give us info on the battery Part Number in case needed for ordering).

 

Softwares / Firmware that affects charging:

The microsoft acpi-compliant control method battery  is how Windows translate the machine battery status.

Energy manager reserves controls over power option and battery that can communicate with the firmware BIOS.

 

Same reason why next step to try is checking with Energy manager about the status of the battery and calibrate it using battery gauge reset ( it would attempt to recalibrate the li checmicals within the battery).

 

As power goes off as soon as unplug (behaving like the battery physically did not got charged at all) . Battery usage report also indicate that battery is no longer receiving and storing power and that 24k-26k drop to 15k .

 

If battery gauge fail then unplug the ac adapter and remove the battery (refer to page 33 hardware manual).

Keep it on room temperature for 2-3 hours.  Place it back and connect to the charger .

Notice if the battery status indicator (page29) show charging. allow at least an hour connected and check using battery usage report. Power checkout to test the ac adapter on page 21 .

 

This would answer your original question if it's battery or charger fault. 

Battery are consumable products but most would hold one year coverage and call in technical support.

 

Update us . 

 

Regards

 



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Re: Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-06-09, 18:04 PM


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EDITED: Made a new topic

2016-07-23, 2:22 AM

EDITED: Please close this topic, it has been resolved.

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Re: Lenovo G40 - Will only charge if Laptop is powered off

2016-07-23, 14:14 PM

Welcome to the Lenovo Community Jon873 !

 

I merged your current posting with the previous ones since they all deal with charging issues.  A combined history of your problem is more helpful to those readers who may respond as they won't have to recommend something that has already been tried.

 

In reviewing your charging problem history, have you ever tried using another charger / adapter?  You can check your charger with a voltmeter to see if it is outputting the correct voltage of 20 volts.  Page #21 of your model's Hardware Maintenance Manual will show you how.  If you do not have a voltmeter than see if a local computer repair center will check it for you.   Here is a link to that manual...

 

https://download.lenovo.com/consumer/mobiles_pub/lenovo_g_z_40_series_hmm.pdf

 

The only thing a voltmeter won't tell you is if the charger / adapter is outputting the correct amperage.  If it's not outputting the correct amperage that may account for why it only charges the battery when its turned off.  Using another "known" good charger would allow you to see if the laptop or the charger /adapter is the cause of the problem.  If you do not have another charger available then see if a local computer repair center has one.  You could then bring in the laptop and try it.  If the laptop charges and powers up normally on the other charger then you will know yours is bad.



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Re: Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-08-18, 12:01 PM

hi .. i am currently experiencing this kind of problem. i did your suggestions but nothing works. I am wondering what else can I do..Please help me.

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Re: Lenovo G40 - Plugged in, Charging but stuck at 0%

2016-08-18, 15:58 PM

wrote:

hi .. i am currently experiencing this kind of problem. i did your suggestions but nothing works. I am wondering what else can I do..Please help me.


Without knowing the age of the battery, how you chaged it and how often (ie - always plugged in) there is now good answer for this.

 

If you have been "topping it off" whenever possible, it will shorten the lifespan of the battery.  Most batteries will have a definitive lifespan, mostly under 2 years of use.  This is due to the chemical makeup of the battery, and how it stores and discharges power.

 

Cheers.

 

CB


I do not work for Lenovo, I only provide suggestions based on my personal willingness to help others. All advice and comments are based on my experience, and do not reflect Lenovo policy, terms or conditions.
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Re:Lenovo G40 - Plugged in, Charging but stuck at 0%

2020-04-30, 18:12 PM

can i know how you solved it? i've tried everything i could try. none work for my Lenovo G40. thanks

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