Removable hard drive cannot be recognized

When the hard drive is plugged into the computer, the LED is not lit and the USB interface and the interface line of the hard drive are observed, and the pins are not abnormal. Open the hard drive box, the body indicates that the parts are not abnormal phenomenon. Use the interface module of the hard disk box to connect the hard drive, do not load into the box, insert the computer, the mobile hard disk resumed normal work. Reload the box again, the mobile hard drive is not responding.

This situation can basically eliminate the problem of the mobile hard disk itself. After examination found that the use of the computer is USB1.1 interface, is suspected to be the USB interface caused by insufficient power. Transfer the hard drive to the computer, and you can use it normally.

In this case, you can use another mobile hard drive power cable to connect to the computer, which can also prevent the problem caused by the power supply problem does not recognize the mobile hard disk.