Bit of playing... From what I can make out, DPMS isn't being set on, or is being ignored on some boots by the driver.
If I ssh into the laptop (while screen is off) and issue: #sudo vbetool dpms on the screen then turns on. As a quick&dirty fix for this, I did the following: Edit the file /etc/gdm/Init/Default Scroll to the bottom of the file, and before the line "exit 0" and after the last "fi" entry, add: /usr/sbin/vbetool dpms on Save and exit, reboot. Seems to work fine now, I've done about a dozen or so reboots, each time the display comes on as it's supposed to do! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/682287 Title: Black Screen at Start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-sis/+bug/682287/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs