As shown in the following illustration, this is the hint that appears when using the Jailbreak tool released by Taiji. First check to see if there is a problem with the data cable used to connect the device.
In general this situation, the first consideration is whether the computer installed Apple's ITunes software, because the software has the Apple device required driver files. If the computer does not really, please go to the Apple official page of the Music section, you can download free.
Under normal circumstances, when we access the IPhone or IPad to the computer, we hear the sound of new hardware access, and when the drive is successful, you can see the corresponding device in the computer. Under normal circumstances, when the ITunes software installed on the computer, you can drive normally, you can see the device's letter.
When ITunes is installed, the computer still doesn't recognize it, which may be related to an Apple hardware driver on the computer. Open the Uninstall program window in the control Panel in the system and locate the Apple Mobile Device, delete it.
Then we'll reinstall the ITunes software once to see if we can get the computer to properly identify our Apple devices.
If the above method has been tried, or not, then you can try from a Baidu network to store a fixed file for the repair drive: Http://pan.baidu.com/s/1mgmWEak
This is generally the case for a 64-bit system with a higher probability of encountering.
If you have tried, or not, you can finally choose to reinstall the system, and then install the ITunes software, is sure to be able to solve.