Ipad 2 not charging via USB after IOS 7 update

I have recently update my i Pad 2 to IOS 7.
The update has completed sucessfully with no issues but I have now found that the iPad nolonger charges via USB. When plugging in the 30 pin cable the chargin icon flashes and then switches to not charging. If I plug in the AC charger it all works fine.
The cable that I am using is the original cable, I have read in the forums that there is some issues with IOS 7 and uncertified cables. Is the original Apple 30 pin connector uncertified ?
Thanks in advance.

Normally, they don't. There are some out there that do have enough power to charge a full sized iPad.
It is very possible that whatever they did to the firmware to make it detect different cables could have affected how it charges. I know prior to 2011 the ipad used to send more power to the port which allowed people to plug in keyboards etc, but a 2011 update changed that, so it's not unprecedented.
Have you tried to give your iPad a reset? Sometimes if that port has issues it 'turnes off' and it takes a reset to turn it back on. Hold down the sleep and home keys until it reboots. Try again and see if that helps.
Other than that, if Apple has decided to change the configuration there's not much users can do but alter their behavior to fit in with what the device allows.

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"The fastest way to charge your iPad is with the included 10W USB Power Adapter.
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poweruser_art wrote:
When Using iOs 7.1.2 with mac OSX 10.9.4 mavericks notes are not syncing via USB.
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Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
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How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
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http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Best Practices for iPad Battery Charging
http://www.ilounge.com/index.php/articles/comments/best-practices-for-ipad-batte ry-charging/
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
To Extend a Device’s Battery Life, Get to Know It Better
http://tinyurl.com/b67c7xz
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

Ipad 2 not charging via USB after IOS 7 update

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