sorry, forgot to add: I have of course also a Dell Vostro V13.
In order to solve the problem I upgraded the bios version from A01 to A05, no effect. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/588194 Title: Unexpected power-off during boot or when resuming from suspend -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs