Goodness only knows what the problem was. Just a blank blue screen with a tiny dove and olive branch eventually.
Before that, nothing.
Patience is obviously a virtue. Eventually just left it alone to play with itself.
I remember when it was only the Policemen who were getting younger. I am sure that there is only one vet at the practice who is over 18.
When I was studying maths at school we were not allowed to use a calculator until about 4th year (no idea of English equivalent). Now toddlers can work all sorts of technology.