Since similar things happen when you try to charge two different devices, perhaps the problem is with the cable and/or the USB port on your iMac.
I suggest you try charging using the little charger “brick” that came with your iOS devices, and see if they will charge that way. If that still doesn’t work, try using a different cable. Enjoy, Jim > On Nov 18, 2017, at 7:51 PM, Jeff Weinberger <[email protected]> wrote: > > I'm wondering if anyone has seen these issues or has managed to solve them: > > When I attempt to charge my iPad (iPad Air 2, iOS 11.1.1), I connect it > directly to a USB port on my iMac (no hubs, or anything between the iMac and > iPad other than the actual cable). > > One of four things happens: > It shows charging, then quickly changes to appear like it disconnected (as > if it's not connected at all), then quickly shows charging, then > disconnected, and goes rapidly back and forth like this. > It shows charging for 1-2 seconds, then shows "Not charging" next to the > battery indicator. > It shows charging, but simply doesn't. The battery percentage continues to > drop as though it were not plugged in > It charges slowly > Obviously (4) is the best outcome. I can almost - but not always - resolve > the others with a hard restart of the iPad. > > (1) happens with my iPhone (6, iOS 11.1.1) also, but less frequently. > > Any help is much appreciated! > > Thanks, > > Jeff > > > _______________________________________________ > iPhone-talk mailing list > [email protected] > http://www.omnigroup.com/mailman/listinfo/iphone-talk
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