Q: MacBook Pro 15" 2011 strange not charging
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Jun 19, 2016 3:38 PMby leroydouglas,In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test
Genius reservation http://www.apple.com/retail/geniusbar/
on-line https://getsupport.apple.com/GetproductgroupList.action
You can try the AHT http://support.apple.com/kb/HT1509 however it is not definitive by any means, may kickout a error code.
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Jun 20, 2016 11:54 AMby HAnilsen,I haven't heard of PowerHut, but it seems to me like you've got yourself a defective battery since your computer seems to run fine without it. I'd suggest you return it and get a new one.
Another thing worth mentioning is that your battery should be made for the year your MacBook is from. MacBooks are very picky about that. Let's say the battery is for a 12-13 MacBook, it may cause your 2011 model to do strange things even though the battery looks very similar..You may want to check that. A repair shop in my town had replaced the battery in an iPhone with a very similar battery but for another iPhone which had higher capacity, and it fried the charging circuit so the phone wouldn't charge unless it was turned on.
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Jun 20, 2016 12:50 PMby the_bart123,1. I've bought MacBook on Gumtree so I cannot return battery
2. I've done research and there is one model battery to very long list of MacBooks from early 2011 through late 2011 and mid 2012
3. I would buy new battery right away if I would be 100% sure it will resolve problem - but I do not want to spend £30 on new one just-to-try-and-see-what-happen
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Jun 20, 2016 1:26 PMby OGELTHORPE,Try to run the Apple Hardware Test. You may have to start with the OPTION + D keys.
https://support.apple.com/en-us/HT201257
Note that an error free AHT is not conclusive.
Open System Information >Power and post this from your MBP:
Make certain that the charger is connected.
Ciao.
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Jun 20, 2016 1:53 PMby HAnilsen,I fix a lot of MacBooks at work. If I had your laptop here I could measure a few things and give you a good answer in a short time, but unfortunately that's not the case. The problem may be the battery, it may be the motherboard or it may be both. But the way things sounds, it's most likely the battery. Are you good with electronics? Can you measure things with a multimeter?
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Jun 20, 2016 1:59 PMby the_bart123,When battery connected to motherboard it is detected and got all information about it like in Your photo (10 cycles charge) - but then MacBook is getting crazy - ie. got some artefacts durning boot for about 2 sec - but then is fine - or when pressed battery button - got random information about battery status - sometimes like all fine - other time all lights flashing few times - other time just one green LED.
I've done Diagnostic without battery as I don't want to risk damage MacBook with battery attached anymore and it says...... "no trouble found" :/ passed in 6:13sec
I know some things with electronics but don't have multimeter - but what and where to check please?
