Causes and solutions of U disk copy file error 0x800701B1

The editor found that many users encountered error code 0x800701B1 when copying and pasting large files on USB devices. The specified device does not exist. How to solve this problem? The editor below will bring you the specific causes and solutions to this problem, come and try it! Cause of the problem: There is poor contact between the U disk and the USB interface of the computer or the USB interface is damaged, and the power supply of the USB interface is insufficient. The solution is as follows: 1. When this prompt appears, click the start menu in the lower left corner of the computer and find Run (or directly hold down the win+R keys on the keyboard to open Run).

2. Click Run to see the running interface. 3. Enter: cmd in the run box to open the administrator interface.

4. When opening the administrator interface, you must first confirm the drive letter of the U disk displayed on the computer. When you go to the computer, you can see that the displayed disk is: G (this is the display of my U disk on the computer, each Computers are all different).

5. Then go to the management interface and enter the code: chkdsk G:/f (note that the G in the code represents the drive letter of the U disk. If your display is H, replace G with H).

6. Press the enter key to confirm, and the USB flash drive will be repaired.

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