Unrecognized USB drive

Hello,

• Unplug the USB drive.
• Open a terminal (CTRL+T).
• Type the command

  dmesg -w

• Press <Enter> 3 or 4 times to create some empty lines
• Plug in the USB drive
• Report back to us (copy/paste) the new lines that appeared in the terminal

--
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Hi,

First of all, thank you for your quick response,
Here’s what I get when I perform the operation

[ 791.554703] usb 3-1: new high-speed USB device number 2 using xhci_hcd
[ 791.783075] usb 3-1: New USB device found, idVendor=6557, idProduct=0126, bcdDevice= 1.00
[ 791.783080] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 791.783083] usb 3-1: Product: Mass Storage
[ 791.783086] usb 3-1: Manufacturer: Generic
[ 791.783089] usb 3-1: SerialNumber: AC595A0E
[ 791.787855] usb-storage 3-1:1.0: USB Mass Storage device detected
[ 791.788244] scsi host8: usb-storage 3-1:1.0
[ 792.816478] scsi 8:0:0:0: Direct-Access Generic Flash Disk 8.07 PQ: 0 ANSI: 4
[ 792.817683] sd 8:0:0:0: Attached scsi generic sg4 type 0
[ 792.823164] sd 8:0:0:0: [sde] 122664960 512-byte logical blocks: (62.8 GB/58.5 GiB)
[ 792.823912] sd 8:0:0:0: [sde] Write Protect is off
[ 792.823917] sd 8:0:0:0: [sde] Mode Sense: 23 00 00 00
[ 792.824674] sd 8:0:0:0: [sde] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 792.846922] sde: sde1
[ 792.849671] sd 8:0:0:0: [sde] Attached SCSI removable disk

@+
Stéph

d'accord,
for the first command:

stephane@stephane-System-Product-Name:~$ sudo fdisk -l /dev/sde
[sudo] Password for stephane:
Disk /dev/sde: 58.5 GiB, 62804459520 bytes, 122664960 sectors
Disk model: Flash Disk
Units: sector of 1 × 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x0992d04a

Device Boot Start End Sectors Size Id Type
/dev/sde1 128 122664959 122664832 58.5G 7 HPFS/NTFS/exFAT

For the second command:

stephane@stephane-System-Product-Name:~$ mount | grep '^/dev'
/dev/sda2 on / type ext4 (rw,relatime,errors=remount-ro)
/dev/sda1 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/sdd1 on /media/stephane/F2E5-C36D type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
/dev/sdc1 on /media/stephane/bibiou1 type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
/dev/sdb on /media/stephane/5e480e50-5d42-4bfa-8774-f48154692180 type ext4 (rw,nosuid,nodev,relatime,uhelper=udisks2)

Thanks again for your help
Stéph

Alright, I may have "incorrectly formatted" the key

I proceeded with the installation, and I got this message after execution:

stephane@stephane-System-Product-Name:~$ sudo apt update && sudo apt install exfat-utils exfat-fuse
[sudo] Password for stephane:
Hit:1 http://fr.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://fr.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:3 http://fr.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:4 http://archive.canonical.com/ubuntu focal InRelease
Fetching:5 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]
107 kB fetched in 1s (149 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
1 package can be upgraded. Run "apt list --upgradable" to see it.
Reading package lists... Done
Building dependency tree
Reading state information... Done
exfat-fuse is already the newest version (1.3.0-1).
exfat-utils is already the newest version (1.3.0-1).
The following packages were installed automatically and are no longer required:
libfprint-2-tod1 libllvm9 libllvm9:i386 python3-click python3-colorama
Please use "sudo apt autoremove" to remove them.
0 upgraded, 0 newly installed, 0 to remove, and 1 not upgraded.

Do I need to restart the computer?

I might have formatted it incorrectly...
There were only two small elements on it, but when I right-clicked on properties, there was little space left on it
So I wanted to format it to restore the key to its original size, and then it was no longer visible :-(

Hi, how are you?
I'm writing to you again regarding my key issue,
Is there a solution to use it then?
Thank you for your help

Hello,
I think you need to completely reset the USB drive with GParted (install it if it's not already installed):
You display your USB drive using the dropdown list at the top right
You create a new partition table msdos in the Device menu / Create partition table. You'll get a warning message that you'll erase everything. Confirm. Don't select the wrong device!
With the Partition / New menu, you create a primary partition in fat32 format that occupies all the space on your USB drive and validate it.

If by bad luck you get a message saying that GParted couldn't make all the changes, restart your PC and redo the failed operation. (It's rare, but it happens sometimes, especially when trying to recover a bootable drive)

Normally, after that, your USB drive should be as good as new (apart from the normal wear of the cells)

I named it, actually it was to name the key
It's perfect, I see it on the left side!!!! It's operational! That's great
A big thank you for your help and also to zipe31!! It's giving me a good computer lesson on Linux!

Looking forward to the next lesson!
Stéphane

It's done!
Thanks again!