As i reported here : https://bugs.launchpad.net/ubuntu/+source/linux/+bug/597070
It's not really black screen, it's the video output that switch to the mini display port output. If you plug a second screen on the mini display port, you can install ubuntu normally using this 2nd screen.
As i reported here : https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/597070
It's not really black screen, it's the video output that switch to the mini display port output. If you plug a second screen on the mini display port, you can install ubuntu normally using this 2nd screen.
Really hope this bug will be corrected soon.