I bet the problem is your BIOS setting: try to change it to optimus or discrete, then your vga/displayport would work
(the integrated video card can only drive the laptop LCD itself, nothing else) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773720 Title: [Lenovo W520] External VGA and DisplayPort does not seem to work -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
