I brought a Mac Mini (2009 I believe early as it had a 120GB HDD) of which I upgraded it to a 120GB SSD to begin with. Being my first mac I found I could re-install it using the internet recovery mode which I believe was how I installed the SSD.
I was running El Capitan on the machine perfectly fine.
However the SSD had to be taken out from it to be put into another machine as an emergency (The mac wasn't important) and recently replaced with a 250GB HDD and when trying to boot into internet recovery mode now get nothing but the folder with the question mark in.
I've tried multiple key combinations and have been searching around online for solutions but haven't found one.
The main thing is how can I re-install it? I don't have access to any other Macs but do to Linux & Windows machines.