12 volt plug charger does not charge battery

the green light on computer connector is on, the computer shows the icon that is connected to external power, but the battery dies. It works fine on wall outlet. This was first time I used plug. All seems fine but it does not charge the battery.
Apple is good at selling computers, but I just spent over an hour to get an answer for this and this is the best i found so far. We is the product support?
Please, someone helps.

Apple does not make a 12 V power adapter (i.e. car power adapter) for the MBP. What type of power adapter are you using?
If you are using the MagSafe Airline Adapter, which comes with the larger 'cigarette-lighter-style" adapter that +looks like+ it will work in a car power port, be aware that the MagSafe Airline Adapter _does not_ work for 12 V power from an auto - it explicitly states that in the product description.
If you are using an inverter, what are the power specifications for the inverter? Can it deliver the 85 W of power the MBP power adapter requires?

Similar Messages

Macbook shuts down, charger does not charge then charges hours or days late

My daughter's macbook symptoms:
- shuts down all of a sudden
- when restarted, displays error message: date reset 2008 etc.
- When restarted, charger may or may not charge (Magsafe LED off). It may take days before it works again
Macbook under 3 year guarantee (contract says you get a new computer if it breaks down):
In French: www.fnac.com/guides/services/garantie-echange-neuf/default.asp?NID=0
In English via Google: http://tinyurl.com/6ayl5re
Was sent to repair (MSS repair centre, FNAC, France) . They said they did "un reset du système" = a
system reset .
Worked well at my home for 3 days.
Back to my daughter's: same thing happens.
Charger does not charge Magsafe LED off.
Taken to my home: charger charges magsafe red. But my daughter had moved the charger's parts tried other power sockets to no avail before Macbook repair.
Note that this macbook has a mildly loose magsafe port. Yet, moving the magsafe won't change anything while Mac is on. Loose Magsafe port has been reported to me as not an issue (some geek on a forum, and a genius at an applestore)
I suspect something wrong with motherboard. Loose magsafe port should not shut dow the machine should it ?
Back to repair centre: they say it's a "software problem" this is not covered by their 3 years guarantee. Which is plain false (look up - in French only - http://tinyurl.com/6avkvhy ) .
As I don't see which software problem that could be, I took it to the genius bar at Applestore's: Genius says bah ! not a software problem.
Says it's a motherboard failure. So he gives me a written estimate for motherboard repair. Indeed that may to help me battle with my 3-year guarantee and "FNAC" repair centre since they are not so smart.
Happy with this and having checked that the guarantee contract covers even for the alleged "sofware" problem, having an Applestore paper telling me the rub lies in the motherboard, here I am, sending FNAC a formal notice by registered mail (with a copy to my lawyer. An excellent one with the appropriate specialisation , and my other daughter, hence cheap).
But .... in the meantime, I'm using that faulty computer, and here I get another shutdown.
I was moving the computer softly to place it on a table, this pulled a little bit the charger's cable: screen goes black. Magsafe LED off.
I have to restart it, and I get the usual error message telling me the date is set earlier than 2008.
Same crash as usual. Note that my daughter says the shutdown never happened without the charger on, and shutdown did happen without movement nor strain on the cable.
But as I have my own Macbook, same as my daughter's, I perform an experiment.
- I plug my daughter's charger cable on MY Macbook: LED stays off !
- I plug MY Macbook 's charger cable on my daughter's Macbook: LED is on !
My impression is that there is a problem with my daughter's charger, isn't there ?
But how can a problem with the charger, its cable of the magsafe cause the Macbook 's clock to bet set back a few years ?
I have to point out that the battery is not dead, and behaves normally, so the charger suddenly stopping should not shut the computer down. I can use the computer on battery for hours and battery capacity is 86 % of theoretical.
Could a motherboard problem or some other Macbook problem cause charger dysfunction ?
This is important since while I may resort to buying a new charger if FNAC does not abide by their contract duties, if there is another problem than that of the charger, we'll be in trouble again sooner or later.
We know MSS FNAC have not been good at all (not my first untoward experience with them) and Applestore may be wrong or partially right.
Thanks for your ideas about this trouble.

I am having the exact same problem, although it only takes a few minutes for my computer to start charging again. What was the solution you found? My computer just returned from Apple today with a replaced thermal assembly, and I just had the problem repeat itself, not two hours after I picked it up from the postal service.

HT4060 I just received the 3rd generation and my wall charger does not charge. If I use my Sony docking station it does. I can't carry my docking station! Please help!!

I just received the 3rd generation and my wall charger does not charge. If I use my Sony docking station it does. I can't carry my docking station! Please help!!

Did you get a charger with the iPad 3?
Could be the charger or cable. Plug the USB cable into your computer. It may say "Not Charging", however, it is charging slowly and will verify that the cable is good.
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W (5W on Mini) USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (2.5W, most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
iPhone: Hardware troubleshooting (Power/Battery section also applies to iPad)
http://support.apple.com/kb/TS2802
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
iOS 7 Battery Life Draining Too Fast? It’s Easy to Fix
http://osxdaily.com/2013/09/19/ios-7-battery-life-fix/
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
iPad: Charging the battery
http://support.apple.com/kb/HT4060
Best Practices for iPad Battery Charging
http://www.ilounge.com/index.php/articles/comments/best-practices-for-ipad-batte ry-charging/
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
To Extend a Device’s Battery Life, Get to Know It Better
http://tinyurl.com/b67c7xz
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

BB Curve 8310 Home Charger Does not work, but Car charger charges Phone.

Help !!! Home charger does not charge phone. But Car charger does. But Home charger works with another curve.
What can be wrong with the phone?

Oddly, it could be the device USB going bad.
Can you connect your Curve to your USB > PC and see the Curve connected in Desktop Manager?
If so, do a complete back up of the device -- just in case it is the USB port ON the device going bad. It happens.
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Battery Icon Shows "18% available (plugged in, charging)" But Battery Does Not Charge

The PC does operate on the battery only, just fine (so far, as there is only 18% remaining).
The PC operates with AC plugged in also.
LED by AC input is amber (looks orange to me).
According to the User Guide that indicates charging.
Battery Check status is "OK"
I have had it on charge for over 12 hours and still at 18%.
When starting up, the battery icon shows charging movement then stops at a low level.
I measured the charger output at 20VDC (no load). Which is as specified.
I have tried all the suggestions about uninstalling and reinstalling the ACPI Complient Control Method.......etc.
Removing battery, shutting down and all the rest of suggestions.
No help.
I was told there was a BIOS update which I installed. (I'll post about that in another board). No help.
If I ever get this fixed it's going back to the vendor, Should not have this happen with less than 3 months since new.
Just got it back from repair for battery latch falling off. (Back plate was changed.)
Anything new would be appreciated.

Hi @xdellman,
Thank you for your query and realize how frustrating this is.
I gathered from your post you have tried most of the troubleshooting steps to no avail.
If you check the adapter do you notice any damaged or bent pins as this can cause charging issues?
Here are two links that may also assist you.
HP ENVY and Pavilion Notebook PCs - Battery Does Not Charge
HP Notebook PCs - Testing and Calibrating the Battery (Windows 8)
If this has not helped please contact HP support for assistance.
Please call our technical support at 800 474 6836. If you live outside the US/Canada Region, please click the link below to get a support number for your region.
World Wide Phone Support
Please let me know the results.
Best of Luck!
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

Battery does not charge while plugged in

My computer is plugged into the charger and does not lose power while plugged in, however, it does not charge either. It currently sits at 63% power and says "Battery is not charging" when I mouse over the battery icon and verifies that it is plugged into the power adapter. Basically the problem is that it doesn't lose power when its charged in, but the battery isn't recharging either. The light on the charger isn't lighting up either, however, I've verified that its the computer's problem by plugging my charger into my roommates identical laptop. Any idea what the issue is? Thanks everyone.

I also have this problem with my Mid-2007 MBP.
I have reset the SMC to no avail.
I've noticed that if my battery appears to be charging (albeit slowly) and then I try to play World of Warcraft, it switches to "Not Charging" once the fans startup.
I just had it serviced and they replaced the logic board 1 wk ago and then I upgraded to Snow Leopard. Could any of this have an effect?
Battery health is fine as far as I can tell (below is the info from system profiler).
Battery Information:
Model Information:
Manufacturer: SMP
Device name: ASMB014
Pack Lot Code: 0002
PCB Lot Code: 0000
Firmware Version: 0110
Hardware Revision: 0500
Cell Revision: 0102
Charge Information:
Charge remaining (mAh): 1821
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 6016
Health Information:
Cycle count: 125
Condition: Normal
Battery Installed: Yes
Amperage (mA): 1554
Voltage (mV): 11104
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 15
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 8
Automatic Restart On Power Loss: Yes
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: No
Current Power Source: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 5
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 1
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Hardware Configuration:
UPS Installed: No
AC Charger Information:
Connected: Yes
ID: 0x0100
Wattage (W): 60
Revision: 0x0000
Family: 0x00ba
Serial Number: 0x00240f33
Charging: Yes

Battery does not charge (displays battery/plug icon on top right)

iphone 4 is about 3-4 months old
Symptoms:
phone started to have issues a few weeks ago
it does not seem to want to charge
when plugged in, it displays the plugged in icon but doesn't seem to charge
have tried various charges (usb AND wall) and it won't always charge
the same charger that works, also might not work
few weeks ago, phone was down (out of battery for about 4 days) and then all of a sudden decided to charge
yesterday, it was plugged in overnight and it did not charge at all. but it had about 15% power left, so when i looked at the icon on the top right, it had the battery with a plug icon (i think that means its indicating the battery is fully charged) so it wouldn't charge at all
then i tried 3 different wall charges and one of them changed it to battery with a lightning bolt. then it started charging
so it seems like somehow the battery thinks its charged and does not charge even though its not really charged.
Could this indicate a problem with the battery, or the phone?

thanks, will do..
Only problem i have is that the issue is intermittent, and dealing with mechanics and even computer shops if they can't replicate the problem they can't fix it.
the last time i had made an appt with apple store, the first time i ran across this issue, the phone started working the night before i had to go to the store.
whats the remedy in this case? as far as replicating the issue or trying to show them the issue.. haven't dealt with the apple store for warranty before so i wanna make sure i can explain the issue to them and not getting told that they can't do anything because they can't replicate the problem.
I will take a look at the pins tonight when i get home, i've been using a loaner phone since the iphone4 has been somewhat unreliable in the past few weeks.

Battery does not charge when plugged in

Battery of my i phone 5 does not charge when plugged in!

Hi
Try this:
Disconnect AC
Shutdown
Remove battery
Connect AC
Startup
Open Device Manager
Click the plus (+) sign next to Batteries category, right-click All of the "Microsoft ACPI Compliant Control Method Battery" listings, and select Uninstall In the "Confirm Device Uninstall" dialog box, click OK. (it’s ok if you only have 1 of these listings).
Click the plus (+) sign next to System Devices.
Right-click the “ACPI Fixed Features Button" and select Uninstall. In the "Confirm Device Uninstall" dialog box, click OK.
Shutdown
Disconnect AC
Insert battery
Connect AC
Startup
Also request you to try updating the Bios once on your unit.
Let us know how it goes!
"I work for HP."
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****Please mark Accept As Solution if it solves your problem****
Regards
Manjunath

Why does my computer say that its plugged in but not charging yet the battery is not reducing

it says plugged in, not charging, 99% (battery life)
but the battery life is not reducing & hasnt for 2 days. it just stays like that.
hp pavillion dv5-2132dx laptop
windows 7 64 bit
i have had a few weird occurences and im not sure what caused it. abruptly my speakers would stop working & my battery life would start reducing. that happened i think 3 times over the course of several months. this last time which was the 3rd is when i changed electrical outlets thinking that maybe that was the problem. and the power & speakers immediately went back to normal. its only been a few days since i changed outlets & everything is working as it should be however as mentioned the battery icon on the taskbar says that its plugged in but not charging & it remains at 99% for the last 2 days.

Hi,
First of all, shut down the notebook, unplug the AC Adapter, remove the battery, and then hold down the Power button for 30 seconds.
Now, plug in the AC Adapter without the battery inserted, start the notebook, open windows Control Panel, open Device Manager, expand the entry for Batteries, right click on and the Microsoft ACPI Compliant Control Method Battery and select Uninstall - do not uninstall anything else here. When the uninstall is complete, shut the notebook down, unplug the AC Adapter, re-insert the battery and then start the notebook on just the battery. Windows will automatically reinstall the driver - leave Windows running for a few minutes. Shut down the notebook again. Now plug in the AC Adapter ( with the battery still inserted ) and start the notebook to see if this has helped the charging issue at all.
Regards,
DP-K
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****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

Lenovo G550 does not charge battery!!!! please help!!!!! :c

So i havent used my Lenovo for about a year and a half because i had lost the originial charger. ive recently bought a new cheap charger from amazon and thought it was the charger that was the problem when i looked it up online and found out it may be a bug from Windows 7. Now, this charger does turn on my laptop, but it does not charge it. It simply says "plugged in, not charging" and when i was reading an article on how to fix this , i was trying for hours to uninstall a program under device management called Microsoft ACPI- Compliant Conntrol Method Battery, because it was said that uninstalling this would help the system charge again. but after countless hours, i found that the program reinstalls itself and i am left with a laptop that just wont charge. my laptop says 0% (plugged in, not charging) and i really need this to work for the upcoming school year. i dont know what else to do! whenever i disconnect the wire the system completely shuts down and if i dont fix this problem ill just have to get rid of my Lenovo G550, which i absolutely LOVE! please, anyone help me! do i need to install a new version of windows? do i need to uninstall something? or is my laptop absolutely done for?
please, please, please help!!!!!!!!!!!!!!!!!!!!!!!

hi Chernandez51,
Welcome to the Lenovo Forums.
From your observation, it seems like the battery was fully discharged after not being for a long time (batteries degrade overtime due to age, heat, and usage).
What you can try is to charge the battery for an hour or two while the computer is off then observe the status light indicators.
- Link to picture
If the battery still doesn't take a charge then the battery might have gone faulty and needs a replacement.
For best compatibility, I recommend you use a Lenovo approved AC adapter and charger. You can buy one from the lenovo spare parts website (www.lenovospareparts.com) or you can buy online (eg. Amazon, Ebay, etc.) but ensure that there's a Lenovo FRU part number on the item..
- Link to picture
- Sample Battery
- Sample AC adapter
Regards
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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My IPad Retnia does not charge when plugged in using the USB from my computer to car adapter, how can I fix this to be able to have flexibility in charging?

When I plug me IPad into the USB connector to my laptop or into my car charger, it show as not charging. How can I fix this so that I can charge my Pad in these settings?

Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
And this - Unplug the charger from the iPad and then replug. May resume charging.
Or - Recalibrate the battery. See link below.
The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W (5W on Mini) USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (2.5W, most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Best Practices for iPad Battery Charging
http://www.ilounge.com/index.php/articles/comments/best-practices-for-ipad-batte ry-charging/
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
To Extend a Device’s Battery Life, Get to Know It Better
http://tinyurl.com/b67c7xz
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

HP Pavilion dv6500 does not charge battery

Hi -
When I plug the power cord into my laptop, the battery either does not charge, or charges on and off for about a second each time.
I am 100% sure it is not the power cord, because a light in port on the laptop lights up even when the battery is out, leading me to believe that power is definitely getting to the laptop, but something inside the laptop is disconnected or else the outlet where I plug the cord into the computer is bent or something.
I cannot turn on the computer with the battery out and the power cord plugged in. It might turn on for a few seconds then turn off.
Taking out the battery and putting it back in does not help.
Jostling the plug rarely helps, and the most that happens is the charging light flashes on and off.
It is no longer under warranty (I have had the laptop for about 2 1/2 years).
I heard from a friend that HP laptops sometimes have this problem. Does anyone know how I can fix it??? I would rather not send it to HP for maintenance. It would take waaay too long. And I'm already mad that they (purposefully?) engineered the laptop so the fan is nearly impossible to get to, even though the fan clogging up is the first problem on any laptop. It is my only computer and it is extremely important that I am able to use it for school.
Any insight would be VERY helpful. Thanks!

I have the exatcly same problem. I am sure that it is neither battary or AC adapter as I have bought both new to fix this issue but problem remains same.
It gives me a impression that within the laptop (mother board or power connector) has the issues which does not give the power to the laptop to work , nor it gives to battary to charge.
Let me mention that when I bought a new battary, my laptop worked for 4-5 hours till the charge ran out from the battary and now again I am landed up to the same problem.
any body who has come across this problem and got it fixed , it will be really great if you can share your experience.
Thanks in advance.
-Ravi

Battery is charging intermitently and does not charge fully

Hi,
I have a HP Envy Ultrabook and it is less than 5 months old.
Recently I noticed that my ultrabook's battery is not charging a few minutes after I plugged in my AC adapter. Also it does not charge fully.
At times the charging may start again for a few seconds but stopped.
Furthermore, the battery never reach 100% charge capacity but stops at 90+%.
As I cannot remove my battery since this is an ultrabook, please advise.
Thanks.

Hi speed922,
What is your product number?
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My pavilion dv4-5113cl battery does not charge.

I bought my dv4 from a friend and he told the only problem with the laptop is that the battery does not charge. When you place the curser on battery icon on the task bar it reads "0% available (plug in, charging)" this will be there for hours! And the battery will still be 0%. Imidiatelu you take the charger off the laptop goes off. Pls what can I do help me.

Hi
Try this:
Disconnect AC
Shutdown
Remove battery
Connect AC
Startup
Open Device Manager
Click the plus (+) sign next to Batteries category, right-click All of the "Microsoft ACPI Compliant Control Method Battery" listings, and select Uninstall In the "Confirm Device Uninstall" dialog box, click OK. (it’s ok if you only have 1 of these listings).
Click the plus (+) sign next to System Devices.
Right-click the “ACPI Fixed Features Button" and select Uninstall. In the "Confirm Device Uninstall" dialog box, click OK.
Shutdown
Disconnect AC
Insert battery
Connect AC
Startup
Also request you to try updating the Bios once on your unit.
Let us know how it goes!
"I work for HP."
****Click the (purple thumbs up icon in the lower right corner of a post) to say thanks****
****Please mark Accept As Solution if it solves your problem****
Regards
Manjunath

Why iPad does not charge battery when is connected to my laptop?

why ipad does not charge battery ehen is connected/sync to my laptop?

Because most USB ports do not put out enough power to meet the iPad's minimum requirements. An iPad is best charged plugged into the wall with the supplied charger.

12 volt plug charger does not charge battery

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