Arduino UNO not showing up in USB devices on Ubuntu 18.04 I have an Arduino UNO (clone, not original) that was working fine until a couple of days ago. Now, it does not show up when I connect it to my laptop.

Things that I've troubleshouted:


USB cable is fine (tried with another Arduino).
USB ports are fine (tried with another Arduino).
Followed all the fixes and checks listed
here
and everything is successful.
I can upload sketches trough ICSP using a working Arduino. 
I've tailed syslog while connecting and disconnecting the failing
Arduino and nothing shows up (it does when using the "good one").
I've tried on a Windows 10 machine and it doesn't show up.


What else can I try?
I can't comment yet but have you updated your board manger for UNO on unbunto?

tools > Board > Board Manger > Search UNO

Kind of dumb to have to do that but it happen to me before and this was the solution I did.