Unfortunately, it seems like that the T450s is not fully supported by Trusty. Suspend and resume doesn't even work when only the build-in screen is used.
Thus, there is no way for me to test if this behavior does exist on Trusty. -- 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/1454160 Title: External monitor is disabled after resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1454160/+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