Hello folks

I have been trying to use a TFT display as secondary monitor. Though,
without any success.

I plug in the monitor at the back of the computer. I start the
eSettings, go into displays and choose 'Both'. (The names are specific
to Acer, though the standard Windows operations seem to do basically
the same.) When using a beamer, this usually makes things work. Not so
here. Precisely nothing happens.

So far, I have tried every option I can think of. Is there a driver I
have to install for a monitor? Device Manager shows one display
adapter (nVidia) and three monitors: Default Monitor, Digital Flat
Panel and Generic Television. I am puzzled. Anybody having a clue? Your
suggestions are very much appreciated.

Cheers!
St. Müller