On Sat, 2026-06-06 at 16:53 -0400, Robert Heller wrote: > At Sat, 06 Jun 2026 21:43:13 +0100 Chris Ramsden > <[email protected]> wrote: > > > > > At Sat, 06 Jun 2026 20:38:36 +0100 Chris Ramsden > > <[email protected]> wrote: > > > > > > > > > > > Asus Zenbook > > > > Debian 13 Trixie > > > > Mate DE > > > > > > > > I have just noticed that this computer has stopped recognising > > > > USB > > > > thumbdrives. > > > > > > > > They are listed in lsusb, but do not appear in my file browser > > > > (caja), > > > > nor in df. > > > > > > > > The same machine sees the same USB thumbdrives when booted into > > > > windows, so it appears not to be faulty hardware. > > > > > > > > I can't say when this started happening; I haven't plugged in > > > > any > > > > USB > > > > thumbdrives for a few weeks. > > > > > > > > Despite all this the machine boots from an external USB- > > > > connected > > > > SSD. > > > > It's using wired ethernet via a Startech multi function USB > > > > hub, so > > > > it's obvious that the USB is largely working. I have tried > > > > connecting > > > > the thumbdrives directly into the computer's USB ports (i.e. > > > > not > > > > via > > > > external USB hubs) and no change. > > > > > > > > Any suggestions? Any other info required? > > > > > > > > Chris > > > > > > > > > > > > > > On Sat, 2026-06-06 at 16:32 -0400, Robert Heller wrote: > > > Do you have a disk mounter thingy in your panel? Can you mount > > > them > > > that way? > > > > > > It *sounds* like your system has stopped *auto* mounting the > > > thumbdrives. > > > > > > One other possibility: the thumbdrives are not FAT32, but are > > > exFat > > > or NTFS > > > and you don't have the FS infrasture needed installed (or > > > something > > > like > > > that). Are these *large* thumbdrives (>= 64Gig)? > > > > I have tried with both large (256 GB) and small (4 GB). The small > > drive > > is definitely FAT32. Both have worked in this computer in the past. > > > > I have also just found it treats a USB CD/DVD drive in the same > > way; > > appears in lsusb but not in df or in the file browser.This is > > really > > annoying because the reason for plugging in the thumbdrive was to > > burn > > a CD. > > > > This DE doesn't appear to have a disk mounter. > > You probably don't have it in you panel -- it might not be a default > applet, > but if you have mate-applets installed, it is available -- right > click on the > panel and select "add to panel", and you should get a list of applets > to add > and the disk mounter should be in that list. > > (There are all sorts of reasons *not* to automount disks.) > > > > > Chris. > > > > > > mate-applets was already installed.
Yes, it appears as "Disk Mounter", but this shows only the devices I can already see; an SD card and the various partitions on the internal and external SSDs. Chris.

