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6

There is a circuit board on the battery it self that reports it presence and status to the OS X. In OS X there is a piece of hardware run by firmware called System Management Controller (SMC) that takes that information and process it. Sometimes the SMC gets confused and needs to be reset following instructions from Apple. You can also look up your Battery ...


5

The hardware that reads the battery health is independent of the OS running so it's just a coincidence that the X appeared with the update. I would get on the phone with AppleCare (or on the web or in a store) and see if they can run some remote diagnostics and tell you what precisely is happening with the battery. You can also get many details from System ...


2

It could simply be the battery in the iPad no longer holds a charge due to age and cycles. You may try to replace the battery yourself: https://www.ifixit.com/Guide/iPad+3G+Battery+Replacement/3186


2

I would say that you would need to go ahead and use the Genius Bar option to repair your computer. My reasoning is that water damage can cause errors in strange ways that, upon first glance, seem to be straight forward, but are in fact impossible to properly diagnose without professional diagnostic equipment. For example, in your case, I doubt that the ...


2

Assuming it is now charged… Hold Home & Power buttons for at least 45 seconds, see if it starts up normally. If not… Plug your iPad's USB cable into a computer with iTunes. Hold down the Home button [keep holding] and connect to your iPad. Keep holding the Home button until you see a screen telling you to connect to iTunes. iTunes should show you ...


1

Considering you're likely out of warranty anyway, depending on where you live, you could use a third-party repair shop. I've had mixed results with repair shops, but I have found one where I live which I would now trust to repair my MBP. In my case, this is a place that only deals in refurbished equipment. Unlike another 3rd party Mac shop whose main ...


1

This loop only happened when plugged into my MacBook Pro. When I plugged into a mains charger, it successfully booted to the OS... Weird.


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That article is focusing on the possible dangers of starting a fire if not original components are used. Now you can ignore it and continue using non apple hardware at your own risk (usually small but it can happen), or use OEM hardware that is designed to prevent overheating (over-current) and it will shut down before serious stuff occurs. Definitely do ...


1

No, it is probably not normal. You can hold the alt key and click on your battery icon. Then click Condition: X. What is your X? You can read some more information based on the window that popped up By the way, does it really take 6.5 hour to charge to 100%? Cause it could just be some temporary mess-up with the estimation.


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Problem Solved The battery was fine and the problem was with the charger. It seems that the charger couldnt transmit enough power to charge the computer while it was in use. I opened the casing of the charger and observed that 2 capacitors were swelled. I changed them with new ones (I found then in a video receiver). Now its working like the first day I got ...



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