it used to be possible to access an FAT 32 Ubuntu (18.04) formatted flash drive in my Win 10 PC. For some time now, When I plug an Ubuntu formatted USB drive (tried 3 different ones) it is not recognized and the Bluetooth keyboard mouse freezes. Removing the flash drive situation becomes normal. Tried all the ports. The Flash drive and the Bluetooth one are in different ports, but it doesn't matter. I use Nautilus, no option offered.Tried also with Disks and Gparted.
Purchased a brand new Sandisk drive. Here's how it went: Just plug it to the PC - OK. Format in Ubuntu as above, First pug in not recognised by PC, remove and replug Kaspersky message external device should be scanned, scan was clean, drive is recognized. This is repetitive. Mouse and keyboard working normally.
Thanks, tried your CL. All I get is error "Device partition expected, not making filesystem on entire device '/dev/sdc' (use -I to override)" (drive is 16GB)