I tried the command on a terminal: apport-collect 1635236
but it gives: ERROR: Could not import module, is a package upgrade in progress? Error: No module named PyQt5.QtCore to Joseph: Pc is new, bought yesterday, made a fresh install of Kubuntu, it gave and give me always the problem, with the distRibution default kernel and also with: 4.4.0-31 4.4.0-43 4.4.0-45 I tried the v4.9 rc1 the problem still present. ** 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/1635236 Title: Lenovo Ideapad 100 won't reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1635236/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs