1: The USB drive is faulty, so the USB flash disk is not recognized after it is inserted. You can check whether it is normal in the device manager 2: The USB flash disk is faulty. The hardware itself or write protection is set 3: Whether to disable the mobile storage device 4: System problems Good luck
The USB flash disk cannot be opened, or the computer does not display the USB flash disk?Try wiping the USB flash disk to the USB on the back motherboard, because there are too many USB cards in front of the host computer. If it doesn't work, it may be poisoned or broken.....
