Sorry to take so long to respond. Family commitments.
Oddly enough it did the same thing today when I had just inserted
a USB stick into my PC. It showed as O: drive in Windows 7 File
Manager, but not in Etcher v1.5.33. However, I had just
re-installed a USB WiFi dongle and this may have caused some
issues on my machine.
I restarted to computer to finalize the WiFi installation and
this time Etcher located it and flashed Manjaro Linux with no
I can only assume that the problem was "user error" because I had
been trying to correct a WiFi connection issue I was having. I
think Windows could not locate the dongle (USB) and this may be
This is good news for me as I am an inveterate software tinkerer
(a retired IT professional) and really like Etcher. I also run a
few Raspberry Pi and ASUS Tinker-board computers, so Etcher is my
go to tool of choice.
Thanks for your assistance and quick response. I'm currently
installing a fresh Windows 10 boot-able drive so Etcher has been
useful once again.
So far things seem to be functioning as the should.