Please note that you need a CERN external lightweight account or a CERN Nice account to upload your presentations and propperly handle the video conferencing.
If you are not already in possession of one; please register for an external lightweight account through this link.
Once it is done return to your email to confirm this request !
How to upload presentation:
Once you have a CERN (lightweight) account Please make sure you are Logged in (top right corner).
Click on the menu on Contribution List and then click on your presentation title.
Click on the Pencil next to Presentation Materials.
In Manage Material, select Upload files.
Click on Browse to look for and upload your presentation and then click on Upload at the bottom of the window.