Linux cannot recognize U disk

1. Insert the USB flash drive and execute the following command:

#fdisk -l /dev/sd*

or

#df

If you see the corresponding USB flash drive, then the USB flash drive It has been correctly recognized; if it cannot be seen, perform the next operation.

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2. Then continue to execute the following command:

#lsmod

Viewusb- storage scsi_mod sd_mod Whether the module has been added. If the above module is not found, execute #modprobe [module] to add it.

3. Finally, establish a mount point, such as /mnt/usb, and execute the following command.

#mount /dev/sda /mnt/usb

Some systems need to indicate the file type to be mounted. You can execute the following command:

#mount -t vfat /dev/sda /mnt/usb

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