# dmidecode -s bios-version && sudo dmidecode -s bios-release-date 4.0.7 04/26/2016
Attached is a screenshot of the fractional kernel stack trace that appears when I am able to bring up the system with an HDMI display attached. Without the external display the system definitely doesn't come up (typing in the disk encryption password blind) ** Attachment added: "stack trace during kernel startup" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580311/+attachment/4684253/+files/20160615_135514.jpg ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1580311 Title: Laptop panel output only if external display connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580311/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
