I am trying to find a recovery disk for my nec versa m400 as a virus has infected everything and I didn’t get one when i bought it
Welcome to the forums, tjg186. 
I took a look around the internet but found nothing. Have you tried contacting NEC to see if they have a solution for you?
Maybe someone else will have better luck than me.
See if this helps you:
http://www.user-guides.co.uk/NEC/NECCDDownloads.asp?keywords=NEC%20Download%20Manual%20Drivers%20CD%20ISO%20PDF
That should do it, Bob.
I don’t know how I missed that site. ???
When you answered, you where probably half asleep.
When I answered, I was wide awake… ;D ;D