If you are looking for summer housing, check out the following links :

http://www.unige.ch/dase/bulog/form/bourse.php     (the UNIGE housing- I found this to be the most useful!)

https://espace.cern.ch/hostel-service/Wiki%20Pages/Hostels.aspx   (the CERN hostels- they are expensive!)

https://espace.cern.ch/cern-market/default.aspx      (click on housing on the left and login with your cern account)

Best of luck!

You need to register your laptop with CERN before you can use the internet there. Click the ‘Register Portable’ option on the following link and fill up the form:
www.cern.ch/network
If you have any technical problems, email: computing.helpdesk@cern.ch