Computer prompts can't find the mobile hard drive what's going on

If the front USB interface is not available, the rear interface can be used, the failure of the front interface failure, but the front of the USB interface to connect u disk or mobile phone data line is normal. If this is the case is the front of the USB power supply is not caused by OH.

Because if the power supply is insufficient, plug the mobile device into the front USB connector, then click "Computer Management" and click "Disk Management" above. On the top, uh, find you. Mobile hard drive, but wait a while and can't find this is caused by insufficient power supply. As shown in the figure:

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Power supply is not enough to find a removable hard drive how to solve it?

This method is very simple, if the rear interface is useful, then plug in the back of the interface bar. Because the rear interface is connected directly to the motherboard. All the stability is good, transmission data is faster than the front usb.