I'll give a nod to RECUVA here and it's noted widely. I won't write much more.
So go to Device Manager and see if it shows there. But do try Recuva.
These do die like that. Not reliable to the point of not needing backups. If it's dead, the only fixes I've used is to open it up and solder on a new USB connection for the last chance recovery. This is fairly advanced and can be upsetting to some that wanted to save the stick.
I have a USB stick that has suddenly stopped being recognised at all by both my laptop at home and PC at work (both MS). It's a high quality USB stick (not one that requires a power source). I always use the proper eject method when removing it from the computer.
But suddenly, as of this week, neither my lap top nor my PC at work recognise it at all. I dont mean they display a message saying it's not recognised; I mean it doesnt show up at all in the file manager, nor with any icon, nor the usual "ding" when I insert a USB device.
I have tried the "diskmgmt" function at the command prompt, and that shows no USB (I've also tried changing ports, etc)
So what can I do please? Obviously I would like to get the data off it. There is no obvious sign of damage, and I keep the stick in a case when going between office and home. There was just a 6 hour gap between me ejecting it just fine from my office PC, to me trying to plug it in at home and nothing happening, during which time it was safely in its case.
I have seen various free software fixes that claim to help recover data from broken USB sticks, but it's a bit beyond me know what's safe software to use; and even then, those that i've seen seem to rely on the USB stick at least being "seen" by the PC.
It's a SanDisk Cruzer Edge
Any help gratefully received!