You confuse a bug tracker with a support forum, for example <a href="https://ubuntuforums.org/">ubuntuforums.org</a>. There better help for the individual user is possible, if you give useful information.
But...maybe you have <a href="https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734147">this</a> issue. You should check your UEFI. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1740229 Title: Ubuntu 17.10 killed my notebook Status in linux package in Ubuntu: Incomplete Bug description: After install ubuntu 17.10 my lenovo Z575 is not start. Help me please. My notebook now not worked. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1740229/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp