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hugeL
Punch Card
Posts: 32
Registered: ‎03-27-2016
Location: HK
Views: 9,682
Message 1 of 7

Battery Calibration

The battery level of my Yoga 500 15IBD drops suddenly from 10% to 0 and the laptop shut down.

 

Does this indicate the battery needs replacement?

 

 

When the calibration is started, there is no indication of progress.

 

 

How do I know when the calibration is completed and how long will it take to complete?

CuriousFox
Paper Tape
Posts: 7
Registered: ‎09-21-2016
Location: US
Views: 9,569
Message 2 of 7

Re: Battery Calibration

It will never get back and Lenovo can not fix it. This is a programming bug in One Key Optimizer. Have the same problem - none of their recommendations works. Official service in Russia offers to purchase new battery + pay for the service + wait 2-3 weeks without computer.

hugeL
Punch Card
Posts: 32
Registered: ‎03-27-2016
Location: HK
Views: 9,560
Message 3 of 7

Re: Battery Calibration

Can I get it back to normal by simply uninstalling the Onekey Optimizer?

 

 I have just calibrated the battery, will the calibration transfer the bug to the battery?

CuriousFox
Paper Tape
Posts: 7
Registered: ‎09-21-2016
Location: US
Views: 9,541
Message 4 of 7

Re: Battery Calibration

I tried to uninstall OKO, did not help. what i remeber - after i pushed calibrate button, it said that the process will take 256 hours and i should not switch off computer. this is the only hope left. very disappointed with Lenovo products. my computer had no problem and now have to send it to the service, wait and pay.

did you try to reset Windows? i saw this recommendation somewhere on the forum, but this action will clean up all data, so everything should be backed prior to reset

hugeL
Punch Card
Posts: 32
Registered: ‎03-27-2016
Location: HK
Views: 9,530
Message 5 of 7

Re: Battery Calibration

It took about 15 hours to calibrate the battery, I will uninstall the OKO, and see if the issue still exist.

hugeL
Punch Card
Posts: 32
Registered: ‎03-27-2016
Location: HK
Views: 9,549
Message 6 of 7

Re: Battery Calibration

The issue was solved, the laptop behaved as set in the Power Option, notifications appeared at “low” and “reserved” battery level, and shut down at critical battery level.

 

The test was done after the following procedures have been carried out:

 

  1. Calibrated the battery, it took about 15 hours.
  2. Uninstalled the Onekey Optimizer.
  3. Open Task Manager “end task” all OKO tasks.
  4. Reset all Power Options to default.
  5. Uninstall the battery driver, it will be reinstalled when restarted.
  6. Restart the laptop.
  7. Open Power Option to set  preference.
Martin2018
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Posts: 6
Registered: ‎06-29-2018
Location: CN
Views: 4,039
Message 7 of 7

Re: Battery Calibration

the simplest way to calibration a battery is drain empty the battery then charge to full.
it's useful and simple !

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