The registration of laptops is mandatory at CERN and only registered computers will get network access. You will find the necessary information at the following addresses:
it-div.web.cern.ch/it-div/media/PDFs/VisitorRegistration-Info031015.pdf
it-div.web.cern.ch/it-div/gencomputing/VisitorPortables.asp
Geneva University will have free wireless access in its meeting rooms
