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my usb detected by pc but pc doesn't show it.
other usb work well but this one no. this usb works but I do not know what I did wrong that the pc did not show it anymore.(I was trying to bootable it to install Windows)
the result of lsblk for usb is (7.2G):
enter image description here
I think this link also had a problem with me, but I can't edit mount option.
i tried to format usb but it doesn't allow:
enter image description here

Truth
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2 Answers2

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Once you format a USB stick as a bootable drive, you cannot use it for data storage.

USB sticks come with a FAT partition on them. Put simply, to write a bootable inmage on it, you have to erase that partition.

Nate T
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I hope you aren't running any virtualization software (Like VirtualBox, QEMU, KVM etc.,)

Does this command work (this is just to test if /dev/sdb is writable) ?

sudo umount /dev/sdb* ; sudo dd if=/dev/urandom of=/dev/sdb bs=1M count=10 status=progress && sync

(This command overwrites /dev/sdb ; beware not to overwrite important storage media)

If it works, open GParted, then select the device, create a new "msdos" partition table, then reboot and format with GNOME disks.

If it doesn't work, please post the error messages.

TimothySimon
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