OK, I think there are actually two separate bugs here. (1) The display corruption issue was resolved by swapping in an HDMI cable for the VGA cable. Still, this worked before so it's a regression, but not a really horrible one. I should have been using an HDMI cable anyway.
(2) The mouse pointer issue is resolved if I restart lightdm. There are several open bugs about that and discussions in various fora. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1519029 Title: Lenovo X240 in Dock, bad resolution on logon and no mouse pointer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1519029/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp