query: Ubuntu 14.04 Suddenly Fails to Boot
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: 92476
negative_passages.text: Boot failure : No DEFAULT or UI configuration directive found!
negative_passages.docid: 47167
negative_passages.text: Installed Ubuntu 15.1 on USB (full install) but it won't boot
negative_passages.docid: 72845
negative_passages.text: Ubuntu won't boot with Windows7
negative_passages.docid: 81459
negative_passages.text: Failed to connect to lvmetad - Stuck on boot
negative_passages.docid: 141210
negative_passages.text: Boot stuck at logo screen after upgrading to 14.10
negative_passages.docid: 19596
negative_passages.text: No more boot logging since 16.04?
negative_passages.docid: 46173
negative_passages.text: Can't boot Windows 7 after installing Ubuntu
negative_passages.docid: 74148
negative_passages.text: Problems with booting the system
negative_passages.docid: 58548
negative_passages.text: Getting a black screen when installing or Live booting Ubuntu (any version) in my laptop
negative_passages.docid: 92556
negative_passages.text: MacBook Pro refuses to boot/recover, hangs at "white screen"
negative_passages.docid: 5413
negative_passages.text: How can I repair grub? (How to get Ubuntu back after installing Windows?)
negative_passages.docid: 24007
negative_passages.text: How to troubleshoot a computer not booting up when powered on?
negative_passages.docid: 146319
negative_passages.text: 12.04.3 can start only after I press "resume" in rescue mode (every boot) - problem with Nvidia driver
negative_passages.docid: 26845
negative_passages.text: Ubuntu 18.04 Won't Boot on Dell Inspiron 7375
negative_passages.docid: 78642
negative_passages.text: Recovering Home folder after failure to boot
negative_passages.docid: 135692
negative_passages.text: ubuntu 14.04 black screen when installing