Hi
I 'solved' the problem. Although there was no problem at all - apart from me.
After I imported a model it showed up as unshaded. I just pressed 4, 5 then 6 and surprise, surprise the texture appeared!
Doh!
I hang my head in shame and embarrassment while everyone laughs mockingly 
Mr Donkey
"I admire the Pope. I have a lot of respect for anyone who can tour without an album."
Rita Rudner.