Ok, I got a chance to check the burned image on the media. it is fine. I used:
md5sum -c md5sum.txt | grep -v "OK$" and it returned no messages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/889852 Title: Live-CD black screen Radeon HD4200 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/889852/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs