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0xmate

Member

Registered: 2025-01-26

Posts: 1

usb flash drive not working

I used this command "sudo dd if=tiny10.iso of=/dev/sdb bs=4M status=progress" to make a bootable flash drive, and after i wanted to flash the drive with a new iso using this command "sudo dd if=BookwormPup64_10.0.9.iso of=/dev/sdb bs=4M status=progress", the usb became like recognized by the system but doesn't contain any partitions nor i can I mount it and here is the output for the following commands:
lsblk:
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda      8:0    0 298.1G  0 disk
├─sda1   8:1    0   529M  0 part
├─sda2   8:2    0   100M  0 part /boot/efi
├─sda3   8:3    0    16M  0 part
├─sda4   8:4    0 135.4G  0 part
└─sda5   8:5    0  81.3G  0 part /
sdb      8:16   1     0B  0 disk
sr0     11:0    1  1024M  0 rom 

dmesg:
[ 1724.489028] usb 1-1: new high-speed USB device number 9 using xhci_hcd
[ 1724.619362] usb 1-1: New USB device found, idVendor=1e3d, idProduct=198a, bcdDevice= 1.00
[ 1724.619380] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1724.620862] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 1724.621544] scsi host2: usb-storage 1-1:1.0
[ 1725.639980] scsi 2:0:0:0: Direct-Access     ChipsBnk Flash Disk       5.00 PQ: 0 ANSI: 2
[ 1725.640840] sd 2:0:0:0: [sdb] Media removed, stopped polling
[ 1725.641603] sd 2:0:0:0: [sdb] Attached SCSI removable disk
[ 1725.703862] usb 1-1: USB disconnect, device number 9
[ 1730.009064] usb 1-1: new high-speed USB device number 10 using xhci_hcd
[ 1730.139273] usb 1-1: New USB device found, idVendor=1e3d, idProduct=198a, bcdDevice= 1.00
[ 1730.139292] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1730.140676] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 1730.141194] scsi host2: usb-storage 1-1:1.0

I have no idea what's going on. so please help, any answer is appreciated.

seth

Member

Registered: 2012-09-03

Posts: 61,581

Re: usb flash drive not working

Please use [code][/code] tags. Edit your post in this regard.

Check whether "sudo partprobe /dev/sdb" reveals anything.
What does "fdisk -l /dev/sdb" tell you?
Can you still dd onto the device?

Zero-sized usb keys are typically dead…

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