query: Can't start Ubuntu
positive_passages.docid: 1285
positive_passages.text: My computer boots to a black screen, what options do I have to fix it?
negative_passages.docid: 8461
negative_passages.text: Gnome terminal will not start
negative_passages.docid: 88164
negative_passages.text: How do I boot into recovery mode?
negative_passages.docid: 21039
negative_passages.text: Can't boot Windows 7 after installing Ubuntu 12.04 LTS
negative_passages.docid: 46790
negative_passages.text: Cannot boot OS. Black Screen
negative_passages.docid: 80336
negative_passages.text: Steam won't start on Ubuntu GNOME 16.04
negative_passages.docid: 9332
negative_passages.text: Cannot boot system due to start job running for hold
negative_passages.docid: 135382
negative_passages.text: Ubuntu won't boot - kernel error?
negative_passages.docid: 128591
negative_passages.text: I cannot get started
negative_passages.docid: 30233
negative_passages.text: How can I fix/install/reinstall grub?
negative_passages.docid: 10334
negative_passages.text: Stuck in Ubuntu Booting Screen
negative_passages.docid: 28835
negative_passages.text: Ubuntu missing from HP boot menu
negative_passages.docid: 96797
negative_passages.text: Cannot boot because: Kernel panic - not syncing: Attempted to kill init!
negative_passages.docid: 134817
negative_passages.text: How do I set Ubuntu to my default boot?
negative_passages.docid: 23568
negative_passages.text: Linux 4.18.0-14 won't boot
negative_passages.docid: 141592
negative_passages.text: Error on Ubuntu boot up - "recovering journal"
negative_passages.docid: 146065
negative_passages.text: How do I fix booting process in Ubuntu 12.04 after the windows7 removed?