1. In the ipad we turn off the computer, press the power button and then slide the shutdown button on the ipad.
2. We need to connect the ipad with the computer (recommended reading: Apple phone connection to the computer)
3. OK, now we are not connected to the success of the boot, below to follow the specific steps.
①, now we have to boot, press and hold the power not to let go
②, waiting for the appearance of white Apple when we hold down the home, then until the Apple black screen;
③, OK now can release press the power button hand, but press the home button do not loosen;
If our ipad doesn't prompt dfu recovery mode, we can repeat it a few times.
4. itunes on our computer now prompts for a recovery-mode IPad device, as shown in the following illustration.
All right, here we go. In the recovery mode, we can click Restore so your ipad will be able to install the latest version of the ios7.1.1 system Oh, of course, the iphone can also refer to this method to upgrade your firmware oh.