Over two years old, but it came with a three year warranty.
I rang on Friday, (the call was answered straight away) and a swap out was arranged for today. A further call from the repair agent this morning confirmed the hour within which the courier would arrive.
Courier duly arrived at the alloted time and I'm now back up and running with a replacement monitor identical to the original.
No fuss, no arguments, no drama, just professional efficient service.