Tom wrote:
> I know this NG is about routers, this is really a switch question, but I don't
> know of any switch related NG's so I trying here anyway.
> A Cisco Catalyst 2960 switch has just been installed on my network.
> It works fine, but it's assigning DHCP addresses to PC,s which really is a
> problem.
> Could anyone please explain to me how I turn this off?
> (I don't have the manual)
>
> /Tom

No expert, by try:

configure terminal
no service dhcp
end

To make permanent, add as the last command:
copy running-config startup-config

R