A method of starting up a computing device a network comprising a dynamic addressing module and a module for providing start-up files for the computing device comprising allocating to the computing device, by the dynamic addressing module, an address in the network; transmitting, by the computing device to the module for providing start-up files, at least one request (ReqB) for start-up files; and providing by the module for providing start-up files to the computing device, the start-up files in response to said at least one request. The at least one request includes the address of the computing device, allocated by the dynamic addressing module, and the start-up files are provided by the file server with this address.