Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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Battery not charging or seen by OS

Hi There,

Here's my problem,

The Macbook is functioning fine, but the battery shows a black cross. I can't boot without the power adapter connected but once started, even right in the beginning, i can disconnect the power and it boots up fine. The magsave connector is green.

Ive done the following step,

Reset the pram and smc even disconnected the pram cel for a wile.

Tested the battery and adapter on my other macbook (same model) And finally swapped both battery cable and mac connector with the working macbook. None solved the problem.

So i'm thinking its the logic board. and i would think this is reparable if i know witch component is the most common to fail.

Dos anyone have an suggestion?

Best regards,

Wijnand van der Linden

(i hope its readable english, is not my first language (dutch)

Answered! View the answer I have this problem too

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+ your English is flawless, I wish your problem was the same. What system are you running, this is a hard problem in case you didn't know.

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Tanks for the quick reply and compliment.

I'm running 10.6.6 but also tried previous versions. By hard problem i guess you mean hardware.

I'm almost curtain thats the case but simply buying an new logic board seems very expensive.

In the netherlands the repair prices are skye high and i've found DT&T whats seem resonable but the

cost of sending the part is making it costly unfortunately.

So i'm trying to obtain information,Diagrams scheme's so that i can fix it myself!

by

I agree, this is a hard problem to solve. There are no known good sources for schematics for Logic Boards. I also agree that it might be a component on your board being at fault here. When you say that both MacBooks are the same exact model, are you sure about this?

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Have you tried a fresh install of OS?

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yes i've tried a fresh install. someone answered something about if i'm sure its the same macbook and another about a fuse on the logic board but these answers i don't see anymore?

The reason i think its the same is because its the same duo core and speed. and both are E star.

The battery connectors are the same. the serial nr of the broken logic board is W87420TSZ5Z

And the one that's working is W8734089Z5W If there is a difference in the dc board i would like to know this.

furthermore tot the person wich said something about the fuse,,, i've made detailed high resolution pictures and posted them online an can be seen here

Logic board detail

I hope you can tell me in what area i must look the fuse nr you mentioned i did not find

Thanks so far for the great input!!

PS, the pictures can be downloaded then you can zoom in more!

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9 Answers

Chosen Solution

Since we are translating, I want to make sure we are talking about the same thing. You have exchanged the battery connectors on the two machines, this part: MacBook Battery Connector/Sleep Sensor (non-Energy Star)

Please download and run Coconut Battery and tell us your results: http://www.coconut-flavour.com/coconutba...

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Please give the history on the Z5Z machine. Everymac says this machine is Black. Has the logic board ever been changed on this machine?

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Okay, the story continuos,

Today i put it back together again so that i could make some screenshots. I wil post the images also to back up my story.

I have two macbook, both with an energy star logic board and both core duo 2.16. The serial of the good one is W8734089Z5W the broken one is W87420TSZ5Z Both are a white model.

I have 2 battery's one is not good and can not be charged anymore. one is fine only 150 Cycly of charging.

If i put the broken battery in the broken macbook, The Battery's is seen by both system and cocnut. but of course i isn't charging magsafe green light. If i put the good battery in the broken macbook both system and coconut can't see it and again it isn't charging.

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Wijnand,

Have you made any progress on this issue since your last post? Unfortunately, I am not here to provide ideas, but to share in your frustration.

I have the same problem with my MacBook 2.16 Core 2 Duo system. Will not read the battery, although battery is fully charged, works elsewhere, and is recognized by Coconut Battery. System works fine when plugged in with the power adapter; green mag light is on.

Since it works with the power adapter, it's more of a nuisance than anything.

Thanks to all who have helped!

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I had this issue with one of my school's MacBook's, and luckily it was still covered under warranty. I called Apple, described the problem, told them the trouble-shooting steps I took, and they asked me to send them the unit. And I had 10.6.7 running on it. So Apple is looking at it as of today, and hopefully I'll have the computer back next week.

If anyone knows of a solution here, I would love to know what it is.

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My MacBook A1278 is dead and battery is not charging, if i replace battery with another Charged Battery it is working perfectly.

please help

Sanjay

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i change the ac plug on mine and worked fine its an easy swap out and should work also is battery the same if its off by a couple of numbers download the battery driver for that model and instal should see it then ifsays not compatable go into driver and take chckcmptbl out of driver also remove memory hold power button down 40 sec put battery in power up with the battery that wont charge in it should see it then

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This all sounds quite familiar. I've spent the last couple of months investigating battery 'problems' on my own machine (White macbook, early 2009). My original battery had well over 400 cycles on it and, of course, couldn't hold much of a charge. Checked into a replacement; Apple battery-$129, Chinese battery-$32. I opted for the Chinese battery, after all, a battery is a battery, right? My new Chinese battery worked great, 4+ hours of use on a full charge. Then at about 40 cycles or so it started acting really strange. Like it would charge up, then while using the machine on battery it would shut off and not start back up if you just put it to sleep. There where many different symptons. I of course I read all the forums and tried all the 'fixes'. No luck. Finally one day I got the dreaded 'X' through the battery icon and it would no longer charge. The interesting thing was that the machine was running on battery! Click on the battery icon - 'Power source: Battery---No Batteries installed'!! Your MacBook has what is called a Smart Battery. It has an embedded RISC micro and associated firmware (for a great bit of info on this, google 'charlie miller smart battery' and download the white paper). The bottom line is this: your Mac is constantly 'talking' to the controller in your battery. Even your Apple charger 'talks' to your battery, even when the machine is off. If the firmware in your battery says it thinks something is wrong, it will not let your charger or your mac get to the cells in the battery. In fact you will get a myriad of bizarre symptoms, many of which didn't show up until I installed Lion. So I took both batteries apart. DO NOT DO THIS UNLESS YOU KNOW EXACTLY WHAT YOU ARE DOING>This is for info only! Lipo cells are DANGEROUS! Hence the need for controller in the first place. First thing you will notice is that the board and associated components of the Chinese battery are not quite up to the standard of the Apple battery (I'm being polite here). You will also notice that the lipo cells are exactly the same brand and model # between the two batteries. So I remove the cells from the board in the Chinese battery and place them on a charger/analyzer made for lipo batteries. All the cells were in very good condition. I did what any old engineer would do-I installed the good cells into the old Apple battery and everything is working great. (One other note: If you check out replacement chargers for your Mac and decide to get one of those non-Apple chargers-do not leave it alone when its plugged in. Read about how many of these melt down or catch fire. Don't forget, even your charger 'talks' to your battery. That's how it knows what your battery is doing. That's the purpose of the middle pin on your magsafe connector) So if your MacBook is doing strange things related to power-try all the magic fixes like resetting the SMC and resetting PRAM. Not fixed yet? Try to find an Apple battery in a Macbook that is working properly and try it-chances are it will work in your machine. Also note that Apple made changes in Lion in regards to battery management. Many people have complained about reduced battery life when switching to Lion. It seems that when Lion is doing something that is cpu intensive that the processor gets hotter than what your used to. (Heat=greater battery consumption) This will happen when you first install Lion and it is going through the process of indexing all the files. This is just speculation on my part but I'm thinking that Lion is checking things in your batteries firmware that previous versions of the OS did not. This may be in an effort to thwart the sale of off-brand batteries. Your smart battery has a couple of passwords that are needed to set different 'states' in your battery controller. Read Mr. Millers paper on Smart Batteries and you'll see that Apple leaves these passwords at their default. It has been said that the folks programming the after-market batteries change these passwords. Thus, a battery firmware update from Apple will certainly fail when it encounters one of these batteries. I hope that my experience here will shed some light on the subject of battery problems with MacBooks. Be sure to completely eliminate any question of the integrity of your batteries firmware before going off and changing your motherboard! Your Macbook battery is not just 6 lipo cells hooked up to a connector. It has an intelligent controller between your machine and those cells and it can present a lot of bizzare symptoms when it 'thinks' something is wrong with the cells-keeps your MacBook from going up in flames! Good Luck

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I knew a battery problem on this kind of macbook, i changed the battery and everything is OK now !

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Hi Wijnand,

Sounds like I have exactly the same problem. Have you managed to find a fix for it?

Pieter

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Wijnand will be eternally grateful.
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