Lenovo Y 40 - battery doesnot - shows 100%, but dies when disconnected
Hi all
It seems that a lot of people have this problem as I browse this forum.
My Lenovo y40 is less than one year, so still on warranty. Recently (May 19) started having battery problems. It displays 100% charged, when it is plugged. But as soon as I unplug the charger, the battery empties quickly or turns off immediately.
Other times, the battery is to remain in office and will stay on for a few hours. It is very intermittent, it seems that the laptop has trouble reading the current battery level.
I have tried everything recommended on this forum, resettled pilots, reset the gauge from the battery through the Manager energy. What gives? The laptop is too new to have a defective battery and it was working perfectly until a few days ago.
Anyone else having this problem, I really need to use the warranty already? Argh...
Tags: Lenovo Notebooks
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Lenovo Y 410 - battery doesnot - shows 100%, but dies when disconnected
Hello
I have a Lenovo Y410 model, purchased in Nov 2007.It was my mobile favorite and best I've ever used.
Only since the last morning, suddenly, the battery doesn't work.
On power options the battery meter shows 100%, but when I unplug the power supply, the laptop dies instantly stops offshore.
So, click Properties, it shows the battery details and said sound plugged in as well.
I read some of the sons like resetting the battery indicator / voltage etc. control / battery replacement?
Someone help me please...
MARK_LENOVO has help everyone. If you're still here could you please help me.
This problem happened to my other laptop (t41p) as well. So your help is very appreciated.
Thank you much in advance.
See you soon
Dheeraj.
battery flat, buy a new one.
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I replaced my laptop battery and the icon shows now available at 100% but connected load.
Remove the cable from the laptop dies immediately.
Have I done anything measured during the installation of the battery?
Can you please check if your AC/adapter works normal by connecting to a different laptop
OR
Can you connect please an adapter of well-known power supply/AC of a different notebook with your laptop to check
So we can troubleshoot
Note: In case if you are unable to perform any of the actions mentioned above I highly recommend to immediately Contact HP Support by phone to get help without delay to get your Notebook diagnosed and repaired by an authorized HP Certified Engineer
You can also check your warranty here to check the status of the guarantee
Hope this helps, for other queries in response to the post and feel free to join us again
* Click on the star of CONGRATULATIONS on the left to say thank you *.
Make it easier for others to find solutions by checking a response "Accept as Solution" if it solves your problem.
Thank you
K N R K
I work on behalf of HP
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When unplugged, battery still reads 100 percent, dies a few minutes
Whenever my Y40 is unplugged, the computer shows the battery to 100% and never decreases. A few minutes later, the computer will turn off and will start. When I plug back in and turn it on, it shows the battery is very low and load normally, then shortly after showing 100% fully charged (it isn't). I tried the system restore and the following, which I saw posted in several places:
"First of all, shut down the laptop, unplug the power adapter, remove the battery and then hold the Power button for 30 seconds.
Now plug the power adapter without the battery inserted, start Notepad, open windows control panel, open Device Manager, expand the entry for batteries, click right on and the Microsoft ACPI compatible with battery control method and select uninstall - do not uninstall anything else here. When the uninstall is complete, shut down the laptop, unplug the AC adapter, reinsert the battery and then start the laptop's battery. Windows will automatically reinstall the driver - leave Windows running for a few minutes and see if the battery level decreases as it should. »I don't know where to go from here. I bought the computer last year and suddenly started questions recently. I recently installed Start Is Back, but the Advanced System Restore does not resolve the issue. I am running Windows 8.1 and everything seems to be up to date. Any advice?
In response to customer relationships of unexpected behavior portable Y40 - 70 and Y40-80 meter battery, Lenovo has determined that the battery meter software is working as expected. The unusual calibre results being reported are the reflection of the battery reaches the end of life.
Lenovo has launched a CUTTING-EDGE Service to help customers get the battery replacement under warranty, or if more warranty, find a spare from suppliers approved by Lenovo battery. The Service TIP can be found here: https://support.lenovo.com/us/en/solutions/sf16-I0023
The numbers for Y40-70/80 batteries are:
Y40 SP / A L13M4P01 7.4V48Wh 4cell IBE (Y40-70/Y40-80) 121500248
Y40 LG L13L4P01 7.4V48Wh IBE 4cell (Y40-70/Y40-80) 121500249 replace the 121500251 part
Y40 CP/C L13C4P01 7.4V48Wh IBE 4cell (Y40-70/Y40-80) 121500259 replaced by 121500251 of the part
To determine what battery supplied with your computer laptop Y40, instructions to remove the lower cover can be found in the manual of Maintenance of equipment pdf here. An alternative to opening your system (which do not cancel warranty) is to find batteries using the product/model number located on the bottom cover.
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Avoid imitations cheap as those who are sold on auction sites.
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Hi @Phanz,
Thank you for your inquiry.
I entered which you have tried to download the driver on the HP website for your laptop but realized you need the model number. You have removed the battery while the laptop is running. Now when you reinstall the battery, it shows that it is connected but does not charge and continues to 7%. You have repeated the process and close Notepad and removed and reinstalled battery, but there was no change. If you turn off it charges the battery to 100%.
You did all your Windows updates?
Have you tried the troubleshooter in Windows?
First of all, I would like to try a Windows restore to before remove you the battery.
HP computers - using the Microsoft System Restore (Windows 8)
If restore doesn't work or is not possible, you could try a Refresh Your PC to solve problems (Windows 8).
Then you can try the following steps.
HP laptops - test and calibrate the battery (Windows 8)
The battery method compatible ACPI Microsoft control is basically the driver that communicates between the computer and the battery. There is a chance that it became corrupt and bad reads the battery level.
Step 1. Go to the Device Manager
Step 2. Select the stacks
Step 3. Click with the right button on the "Microsoft compatible battery ACPI Control method" which is in the list
Step 4. Click on uninstall
Step 5. At the command prompt, put a checkmark in the box to remove the current driver
Step 6. Shut down the computerStep 7: Remove the battery for a minute and then put new
When the computer returns to the top it should automatically find the driver.
Step 8. Go to the Device Manager
Step 9. Select the stacks
Step 10. Click with the right button on the "Microsoft compatible battery ACPI Control method" which is in the list
Step 11. Click "automatically search for an updated driver.Do the same thing with embedded controller compatible ACPI Microsoft.
Last option is to reinstall your Windows 8.1 Pro.
Good luck!
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First, shut down the laptop, unplug the power adapter, remove the battery and then hold the Power button for 30 seconds.
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