When I called and looked at it I restarted it and then a screen came up "CPUFAN not working properly" white the computer continually beeped. After about 10 secs it turned itselfs off. Apparently the computer had done this once before but was ok after the computer was turned off and on again.
I dont know very much about computers and my sister knows even less, so any help you can give would be brilliant.
Thanking you.