Dear Christopher, I made a mistake by not quoting precisely enough the machine type: 41R66X1 This is(are) an Optiplex 9010 AIO (All-in-one) and was the reason for the strange error message "Cannot update a OptiPlex 9010 with a BIOS for OptiPlex 9010" from my previous comment. I made the BIOS update to the latest available on http://www.dell.com/support/home/us/en/19/product-support/servicetag/41R66X1/drivers namely version A15. The bug is intact and persists; nothing changed. The output of sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date is A15 05/05/2014 Please keep me posted on what I could do further. Many thanks, Antoine
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1251580 Title: Display is heavily distorted after kernel upgrades To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1251580/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
