I have a desktop running Windows 7, with a second hard drive that I want to use to backup my laptops. The laptops are able to access the network, the internet, and the printers attached to the network. However, when I try to backup to the "backup" the laptop drive, I am asked for a login and password. The default setting is no password required for file and printer sharing. My laptop is running Vista Ultimate. I have NOT set up a login and password for the desktop. How do I access the files on the desktop from the laptop, so I can backup the laptop?