Currently Being ModeratedApr 28, 2013 6:17 AM (in response to jswahn)
One week later and things appear fine. I still have the computer come out of deep sleep every now and then instead of sleep, but this may ba a software problem that will be corrcted (or not) in a future software update.
Currently Being ModeratedMay 6, 2013 1:37 PM (in response to jswahn)
It only took a week, then the MacBook Pro 15" (early 2011) died completely. Change of logic board necessary. So the problems above may indicate an oncoming hardware problem.
Currently Being ModeratedJun 16, 2013 11:43 AM (in response to galxcbaby)
I had also the problem that the System told me that there is no battery available.
i was starting to wonder, when i realized that this is not a constant failure. sometimes it worked perfectly, sometimes it said there is no battery. but when it worked, the battery was working normally.
so i opened the unibody and saw that there are two contacts from the battery touching the case. so i cleaned it from dust and the battery was working again as the contacts now again could close the circuit. it also fixed my problem that i had a kernel_task running at 300%
so in my case there was no need to buy a new battery
Currently Being ModeratedDec 30, 2013 9:57 PM (in response to galxcbaby)
I know the original message was a while ago, but I am currently having problems with my computer recognizing the fact it has a battery. She is a Macbook Pro, 13 inch laptop, late 2011. No more MacBook warranty, but I have done any repairs on her myself, as needed. I like to think that I am fairly clever at repairs, and what I don't know, I research. Thoroughly. I am also very cautious about any time I need to take her apart, and use gloves, my computer repair kit, etc. With that being said, I’m no egotistical fool who thinks themself above any mistakes or need of help.
So, I also feel the need to inform you that my removal of the battery came about because I was working on an art project, with my computer safely out of harms reach (or so I thought) when my bottle of India Ink (undiluted) got flipped off of my desk and flew all over the central part of my keyboard and left side of my trackpad. (Me and a good portion of my wall and carpet as well, but, priorities.) India Ink is thicker, and dries quite quickly, but it was still a few seconds before I had a chance to try and soak it up and turn my computer off and unplug her. So after externally cleaning it (since it stains very heavily even after seconds) I undid her back, and took her battery out (unplugged it, I mean), trackpad out to clean, and lifted the rest out to check the damage. It really isn’t too severe, considering, so I plugged everything back in and pushed the power button. And nothing happened. I tried again, still nothing. So I plugged her into the power cord and she finally turned on. Lights lit up, typed fine, but I noticed the fan was going at a very high, very constant speed, even without any heavy usage. I then noticed my battery has a large X over it, and if I disconnect her from the plug, she dies in less than a minute. I have tried basically everything, even the SMC restart and still nothing.
I’ve no idea what is wrong with her, and short of buying a new battery, I’m not sure what else to try. Hopefully one of you may have an idea?
Currently Being ModeratedDec 30, 2013 10:03 PM (in response to galxcbaby)
if you get a phillips screwdriver 00 size
open the back of the mac
you will see black battery connector in to the logic board
just take out and put it back in
close the lid and try charging afterward
that should do it
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