Ipad/iphone through itunes update iOS7 failed how to recover

Problem status

Mine is IPAD2 16G, because there are a lot of photos and videos. has not been able to update the IOS7, today's holiday, all the photos and videos are released to the computer. Easily through itunes to update the system, but half of the time, prompted errors, unable to update, need to restore the original version, I did. The results are not restored, and now they are bricks. No matter how connected the computer is. Try the itunes connection diagnostics to show that the Apple device is not recognized. No words, how to do

Solutions

First, you may have removed Apple device (Apple Drive), preferably to the official download of the latest driver, reinstall.

Second, after the driver installed, directly connected to the computer, with itunes Restore factory settings.