I’m certainly not expert here but still think that lsscsi tool might help (while: No medium found) further:
sudo apt install lsscsi
Now, this outputs confirm properly working microSD card reader (with /dev/sda1 mounted):
EDIT: This time I’ve used Jumpdrive to upload here related Screenshot and happy to confirm below
sudo fdisk -l output (as Librem 5 still connected to my computer), useful one:
Disk /dev/sdc: 29.12 GiB, 31267487744 bytes, 61069312 sectors Disk model: e microSD Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sdb: 29.12 GiB, 31268536320 bytes, 61071360 sectors Disk model: e eMMC Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes
@pit, please let us know if related /dev/sdX for Disk model: e microSD output visible to you?