Adapter won't charge battery when MBP is on Update

Hi: Just wanted to update my August 2009 question with the resolution: Went to Apple and turned my Macbook in July 2010. Took two tries: the techs replaced the i/o port, battery and the power supply. Macbook works and charges normally now. Thanks again to all who tried to help me. I found the Apple Store repair guys very helpful and nice at the Stoneride Mall, Pleasanton Store-CA.

Here's the calibration article:
http://support.apple.com/kb/HT1490
You do want to calibrate a new battery, and calibrate an existing battery on a regular basis.
However, I'm not at all certain that the battery is the problem, since your battery is in good health and can be charged up to 100%. I think the problem is elsewhere. If it turns out that the power adaptor is faulty, a new battery won't solve the problem.
Here is the article on troubleshooting the Mag-Safe adaptor:
http://support.apple.com/kb/TS1713
As I understand it, the power adaptor will charge the battery until the battery has a full charge, which will show up in the menu bar as 100% or 99%. At that point, the power adaptor should stop charging. When the battery charge drops to under 95%, then the power adaptor should start charging again until the battery is fully charged. If this is not happening, then I think the problem is either with the power adaptor or the Left I/O Board.
You may want to try another SMC reset:
http://support.apple.com/kb/HT1411?viewlocale=en_US
I don't know why your battery is staying at 100% for so long, but I might hazard a guess that maybe it was never getting fully charged. I really don't know. It would be interesting to see if it has a normal run time now.
It could be that there is an intermittent fault somewhere that is causing the charging cycle to not function properly. I think it would still be worth trying a different power adaptor on your Mac and yours on a different Mac. If you happen to have access to an Apple Store, they could help you with this. They should be able to determine where the problem actually lies.
Good luck!

Similar Messages

  • Adapter won't charge battery when MBP is on

    I have a early 2007 MBP. Battery and left I/O insulator replaced last year, among other assemblies. Everything ok until last week: Symptoms are the battery is not being charged by adapter. Battery continues to act as if there is no adapter. Adapter is green so it looks it thinks the battery is fully charged. I have reseated the battery, reset the SMC, and recalibrated the battery. AC adapter charges the battery when sleeping (very slowly) or if computer is shut down, it will now sometimes recharge to a full 99% charge. I do not know if it is the adapter that is a problem (have checked for debris, dirty contacts and pushed down contacts) and/or battery.
    Anyone hazard a guess before I truck this down to Apple?
    Specs as follows:
    Firmware Version: 0110
    Hardware Version: 0500
    Charge Information:
    Charge remaining: 1698
    Fully Charged No
    Charging No
    Full Charge Capacity: 5312
    Health Information:
    Cycle Count: 29
    Condition: Good
    AC Charger Information
    Connected: Yes
    Charging: No
    Thanks, redjamie

    Here's the calibration article:
    http://support.apple.com/kb/HT1490
    You do want to calibrate a new battery, and calibrate an existing battery on a regular basis.
    However, I'm not at all certain that the battery is the problem, since your battery is in good health and can be charged up to 100%. I think the problem is elsewhere. If it turns out that the power adaptor is faulty, a new battery won't solve the problem.
    Here is the article on troubleshooting the Mag-Safe adaptor:
    http://support.apple.com/kb/TS1713
    As I understand it, the power adaptor will charge the battery until the battery has a full charge, which will show up in the menu bar as 100% or 99%. At that point, the power adaptor should stop charging. When the battery charge drops to under 95%, then the power adaptor should start charging again until the battery is fully charged. If this is not happening, then I think the problem is either with the power adaptor or the Left I/O Board.
    You may want to try another SMC reset:
    http://support.apple.com/kb/HT1411?viewlocale=en_US
    I don't know why your battery is staying at 100% for so long, but I might hazard a guess that maybe it was never getting fully charged. I really don't know. It would be interesting to see if it has a normal run time now.
    It could be that there is an intermittent fault somewhere that is causing the charging cycle to not function properly. I think it would still be worth trying a different power adaptor on your Mac and yours on a different Mac. If you happen to have access to an Apple Store, they could help you with this. They should be able to determine where the problem actually lies.
    Good luck!

  • My MacBook Pro 2009 won't turn on. It suddenly won't charge and when it did I shut it down and now it won't turn back on. Charging shows green and the green little dots are showing on the side. I tried smc reset, command p r, what else?

    My MacBook Pro 2009 won't turn on. It suddenly won't charge and when it did, I shut it down and now it won't turn back on. Charging shows green and the green little dots are showing on the side. I tried smc reset, command+p+r. Any other suggestions before i take it to apple service center?

    A four year battery could be dead. I'd contact an Apple Service Center.

  • Ugent: DM4-1160us laptop not charging battery when battery completely drained

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    is bad and gave an error long error code. HP suppport replaced it with a new battery. But,
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    Note: the problem only happens when battery is completed drained meaning
    the charging light does not flash when trying to turn the computer on.
    I suspect the computer itself is defective. Anyone has idea?
    Thanks,
    SZ

    THIS IS THE SOLUTION AND IT WILL TAKE 90 SECONDS TO FIX
    Power management software in Windows Vista
    Understanding battery charging issues
    If the notebook battery is not charging or the notebook does not indicate that the battery is charging, the most likely scenario is that the battery itself is operating correctly, but its power management software may have become corrupt. In order to correct the problem, you will need to uninstall and reinstall the power management software by using the Device Manager. This document will explain how to uninstall and reinstall the ACPI Battery listings in Windows Vista, as well as how to obtain and install updated BIOS files, if needed to correct other battery issues.
    Uninstalling and reinstalling power management software in Windows Vista
    In order to correct problems with the battery's power management software, follow the steps below.
    1. Click Start and type device in the search field, then select Device Manager .
    2. Expand the Batteries category.
    3. Under the Batteries category, right-click the Microsoft ACPI Compliant Control Method Battery listing, and select Uninstall .
    WARNING: Do not remove the Microsoft AC Adapter driver or any other ACPI compliant driver.
    4. On the Device Manager taskbar, click Scan for hardware changes .
    Alternately, select Action > Scan for hardware changes .
    Windows will scan your computer for hardware that doesn't have drivers installed, and will install the drivers needed to manage your battery's power. The notebook should now indicate that the battery is charging.

  • Laptop won't power up with AC adapter and won't charge battery

    Here is the thing.
    1) the laptop doesn't power on without a battery when directly connected to ac adapter.
    2) the light which would indicate that the laptop is plugged into the ac adapter is not on when the ac adapter is plugged in.
    3) the battery charge light is also not on, which would indicate the battery is being charged.
    The battery does not charge... Laptop turns on the battery backup mode, but not on ac adapter connection. I tried connecting the battery to another compatible hp laptop (both my laptop and the other test device support same battery models). It was charging fine on that laptop. And when switched it back into my laptop, laptop was running fine, but it does not charge in my laptop. But ac adapter is fine too. So whats the issue? And what can I do to get it sorted?
    My laptop is not on warranty anymore. But i replaced battery 4 months back, so its not a fault with battery or the ac adapter.
    The AC adapter is fine, tested with other laptop.
    The battery is also new and works fine
    Regards,

    Hi  ,
    Thank you for visiting the HP Support Forums and Welcome. It is a great site for information and questions. I have looked into your issue about your HP Pavilion g6-2004tx Notebook and issues with the battery not charging. Here is a link to calibrate and test the Battery. Calibration should eliminate this issue. Plug the power adapter directly into a functioning wall outlet. Do not plug it into a power strip, surge protector, or secondary power source as this could cause and issue.HP Battery Check in HP System Diagnostics for Windows 8, would give you details of charging and discharging.Testing and Calibrating the battery using HP System Diagnostics in Windows 8. At the starting of the Notebook, Press F2 to select F2 System Diagnostics. Then choose Component Tests, then battery. If the battery was purchased from HP it could be in warranty. Here is a link to check. If purchased from another source you would have to contact them. Hope this helps. Thanks.

  • PowerBook G4 won't charge battery

    Hi all
    My last-generation PowerBook G4 won't charge its battery. It will run fine off of its power adapter, but it won't attempt to charge the battery, which the system states as having a 0% charge.
    I don't think it's the battery; the last time I ran the PowerBook off the battery a few weeks ago, the battery was still holding a charge for over an hour. The battery has been used for 179 cycles; iStat Pro describes the battery health as being 87% (this may be wrong, of course, since it is also describing the battery as charged). The PowerBook just isn't trying to push a charge to the battery.
    I only use my PowerBook every so often; usually it spends its time off, and not plugged in. Last time I found the battery had completely drained, to the extent that the clock has lost its time, so I put it on to charge, and left it. The next time I tried to use it was when I realised it wasn't charging. The notebook hasn't taken a knock that I'm aware of (at least, a new one), so I'm not sure why this is suddenly happening.
    Any help or ideas would be appreciated. I don't want to waste time and money dropping £100 on a new battery if the issue lies with the PowerBook itself.
    Cheers!
    (PowerBook specs: 1.67GHz PB G4, 2GB RAM, Mac OS X 10.4.11)

    Well, I left the laptop unplugged (and with the battery out - not that it would've made a lot of difference, since it doesn't currently have enough juice to highlight ANY of the charge indicator LEDs) for and hour and a half, booted the machine, and the clock kept its time. I'm not sure what that proves at this point, if anything.
    As for the charging circuit, well the computer still isn't charging the battery (the main battery, not the PRAM battery). From your suggestions, the socket seems fine, maybe a touch lose, but then it's not exactly new, and my old adapter used to be worse. The only similar charger I have to hand is an adapter from an iBook that's about a year older, so I'm not sure the wattage will match. That said, surely since the adapter is actually powering the computer, it won't be the adaptor or the DC-in board, since I assume they are also responsible for getting the power to the computer itself?
    I assume (and I am assuming here) that it is either a knackered battery or logic board. This machine has already had its logic board and DC-in board replaced, for what its worth, back when it was only 5 weeks old (probably irrelevant).
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  • MacBook 13" will only charge battery when on and open. why?

    Hello,
    My white 13" Macbook, model number A1181, will only charge the battery when the computer is on and open. If i close the screen down, the light on the AC adapter will go off about 2 seconds later, and will stop charging the battery or giving any power to the computer. When i try to start up the computer without the battery in, it will not start up.
    When I attach the AC adapter to the computer and it is not open, or not on, there is just a faint green light on the AC adapters LED light. About 1/4 the normal brightness.
    Also, a few days ago, the computer would randomly shut down when it was plugged into the AC adapter to charge my battery. I was surfing the web and it shut down three separate times. All while the AC adapter was in. After i took the AC adapter out, it stopped randomly shutting down.
    I went to a friends house who has the same mac laptop, and have swapped out his battery and his AC adapter with mine in every combination and everything operates in the same way: not able to turn my computer on with his adapter plugged in and the battery out and a 1/4 as bright green light when the AC adapter is plugged in and the computer is off or the screen is shut. My AC adapter functions perfectly with his computer, as does my battery, perfectly normal.
    I thought it might have been the DC in board, so i replaced that myself with a part i ordered online, and it was not the DC-in board, same problems persist.
    It seems it must be something on the logic board that has shorted out or broken that routes the power when the computer is without battery, shut, or shut down. and there must be a separate line going to the battery charger, which is why that aspect of the computer is still able to function. this means however that my only option to keep using the computer is to keep the battery relatively full and NEVER let it drain anywhere near low, as i would not be able to boot it back up again if it fully drained.
    Is this problem indicative that the whole system is on the way out? or might i get a few more months out of this thing by just charging the battery while it is open, and while im working? Any idea what this problem might be? It is past even the 3 year extended apple care plan we had, so that is not an option.
    Saw someone post something similar to this in another thread where the power information was requested. Here is mine:
    thanks for any help
    Battery Information:
    Model Information:
    Serial Number: DP-ASMB016-371d-4927
    Manufacturer: DP
    Device name: ASMB016
    Pack Lot Code: 0002
    PCB Lot Code: 0000
    Firmware Version: 102a
    Hardware Revision: 0500
    Cell Revision: 0102
    Charge Information:
    Charge remaining (mAh): 4468
    Fully charged: No
    Charging: Yes
    Full charge capacity (mAh): 4771
    Health Information:
    Cycle count: 307
    Condition: Good
    Battery Installed: Yes
    Amperage (mA): -737
    Voltage (mV): 12333
    System Power Settings:
    AC Power:
    System Sleep Timer (Minutes): 0
    Disk Sleep Timer (Minutes): 0
    Display Sleep Timer (Minutes): 25
    Automatic Restart On Power Loss: No
    Wake On AC Change: No
    Wake On Clamshell Open: Yes
    Wake On LAN: Yes
    Display Sleep Uses Dim: Yes
    Battery Power:
    System Sleep Timer (Minutes): 0
    Disk Sleep Timer (Minutes): 0
    Display Sleep Timer (Minutes): 15
    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
    Charging: Yes
    --------------------------------------

    You seem to have narrowed it down to a logic board issue. You can try resetting the SMC:
    http://support.apple.com/kb/HT3964?viewlocale=en_US
    And the PRAM:
    http://support.apple.com/kb/ht1379
    But it sounds like either an expensive repair or a new Mac is in your future. Make sure you're keeping regular backups.

  • Adapter does not charge battery

    Hello,
    I'm hoping someone can help me. My MacBook is about a year old. The past few days the adapter is not charging the battery properly. It's either it doesn't work at all, or I have to finagle the wire and push it into the computer. The wire is not frayed either. Is it possible that I need a new adapter already??

    Welcome to the forums!
    If you think the adapter is making good contact, try resetting the SMC, as it often solves mysterious power issues:
    http://support.apple.com/kb/HT3964
    If that doesn't help, try a different adapter, if you can lay your hands on one (and any MagSafe will do). That will narrow down the problem to either the MacBook end or the charger end.
    Whichever is the case, if you are under warranty, Apple should repair the MacBook or replace the adapter for free. If you are no longer under warranty, hope it's the adapter that's bad.
    Good luck!

  • MacBook Pro shuts down and won't charge, battery light on the side is off completely?

    Hey guys,
    So about 20 minutes ago, I walked over to my macbook pro ('17) to plug in my phone charger. The top was already open, so I didn't have to pull it up. I clicked the touchpad to turn it on, and it turned on for literally half a second, and turned black with a bit of a static noise I believe. As if it blew a fuse.
    So I look on the side of the computer where you can press that little button and a bunch of lights will turn on according to battery life, and nothing. Not one light turned on. I got this computer fixed a month ago with a replaced battery, screen, graphics card I believe, and operating system.
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    Hi, I am having the same exact problem! Anyone who know what to do?

  • Won't charge, battery good

    My Powerbook will not charge the battery while the computer is in use. If I put the Powerbook in sleep mode, or turn it off, then it WILL charge the battery, but slowly.
    It's not a bad battery, because if I take the battery to a friend's powerbook and charge it there, it works, the other powerbook charges it normally. If I disconnect AC, my computer will run off the charged battery.
    If I let it charge overnight, then run it off AC, then I can use the Powerbook all day, and it works, but the battery very slowly discharges. It will not charge the battery, while in use.
    I thought it might be the DC in board, so I replaced that, but I still have the same problem.
    I've tried a different AC adaptor, and get the same problem.
    Has anyone see this before? Do you have any ideas on what this could be, or how to fix it? I assume I could replace the logic board (I'm guessing is the problem) but I'm more likely to live with it, and just make sure I charge it every night.
    It's G4 Powerbook, Aluminum, 1.5 Ghz
    Thank you,
    Bill

    There are only 4 components in the charging circuit ... the power adapter, the DC-in card, the battery, and logic board. You've indicated confidence in 3 of the 4, and from how you've tested that sounds good. So I'd agree your logic board is acting up. Cheapest fix, beyond living with it, may be to replace the board yourself, or send it to the Apple depot thru your local Apple store, around $325 if everything else is in reasonable shape.

  • IPod Touch 2g won't charge battery or sync to Mac Mini

    Until yesterday charging and syncing worked normally. No changes or updates have been made to the touch or mini. Now it won't charge the battery or sync to iTunes.
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    RRFS thank you for the reply. Am I throwing good money at bad by trying to fix it? I have found some logic boards on ebay for mid 200's i'm considering. Or should I cut my losses and part it out? I fortunately got my data off it on one of the last successful startups.

  • My iphone has run out of battery and displys the charging battery when connected. But it doesnt actually charge or is recognised by my mac.

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    Clean iPhone charging port with toothbrush. See if better. If not and if there is Warranty or AppleCare make Genius reservation or set up service and take or send to Apple for resolution. If no coverage, Apple has battery replacement program which costs $80. If you go your own route, consider batter replacement and/or charging port replacement with attached flex cable, both are less than $10 parts.

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