On Aug 28, 2010, at 4:56 AM, Ed Wiser wrote: > John this is one of the first things I found when I purchased my iPad on the > launch day. > With the two large batteries the iPod takes a serious amount of amperage to > charge them. > This is was the first USB device to require that high of voltage to charge so > it is not surprising that > Older computers would not have USB plugs to handle such charging. The tech > sheet for iPad charging > Details the voltage and how to check if your computer has a USB port that can > handle iPad charging. > > http://support.apple.com/kb/HT4049?viewlocale=en_US > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of John Robinson > Sent: Friday, August 27, 2010 3:27 PM > To: Topics related to Apple and Macintosh computers > Subject: [MacGroup] iPad > > Folks, > > Both myself and the Apple Genius bar guy learned something today about the > iPad, thought some of you may want to know in case you run into this. > > When I plug the iPad into the computer to sync it & get software updates I > get the warning that it is NOT CHARGING. It will do the sync but not charge, > for that I have to use the AC adapter. > > I thought I had a problem with the iPad so after two long days of ownership I > took it back to the Apple store. The Genius guy plugged it into his NEW > laptop and it began to charge! Always happens that way! He then plugged > it into a 21" iMac right in front of us and it would NOT charge. > > I have the 21" iMac and it wouldn't charge the iPad, nor will my 15" MacBook > Pro that is a couple years old. > > He was baffled so he went in the back room and plugged it into a 24" iMac > that was new and it would charge. > > The bottom line is this. The newer laptops and iMac's have the juice to > charge the iPad but many of the older models (by old I mean a year or so) > will not. He was unaware as were the guys in the back room doing the work. > He did a search and found, sure enough the iPad requires the newer machines > to charge. > > So, I will sync with the computer and then unplug and use the AC to charge. > Once I replace this computer with a newer one the problem will go away. > > Also, I sometimes forward an item from our list to my programmer in > Cincinnati and he will reply to me but it goes back to the list serve. I > apologize, I do it so infrequently that I forget I need to copy and paste to > keep you all from being involved in our problem solving. > > John > > > _______________________________________________ > MacGroup mailing list > [email protected] > http://www.math.louisville.edu/mailman/listinfo/macgroup > > > > > _______________________________________________ > MacGroup mailing list > [email protected] > http://www.math.louisville.edu/mailman/listinfo/macgroup >
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