I have the same problem "White screen at boot and system locks up" on my dell Dimension E521 with ATI X1300 card and ubuntu Lucid 64 bits. This is randomly happens on boot.
** Changed in: ubuntu Status: New => Confirmed -- White screen at boot and system locks up https://bugs.launchpad.net/bugs/544582 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs