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Jon873
Paper Tape
Posts: 4
Registered: ‎06-09-2016
Location: NA
Views: 1,107
Message 1 of 7

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

I'm new here, so please go easy on me. Smiley Happy

 

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!

Sr Support Specialist
Posts: 7,807
Registered: ‎11-30-2015
Location: PH
Views: 1,083
Message 2 of 7

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

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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Jon873
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Message 3 of 7

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

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. Smiley Very Happy

Sr Support Specialist
Posts: 7,807
Registered: ‎11-30-2015
Location: PH
Views: 1,058
Message 4 of 7

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

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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Jon873
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Message 5 of 7

EDITED: Made a new topic

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

shebad
What's DOS?
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Message 6 of 7

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

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.

SeniorGuru
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Registered: ‎11-07-2014
Location: US
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Message 7 of 7

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


@shebad 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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