query: After update screen boots to black screen with login/password
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: 9886
negative_passages.text: Blank screen after installing nvidia restricted driver
negative_passages.docid: 75727
negative_passages.text: Kernel panic and unable to boot Ubuntu 16.04 after updating
negative_passages.docid: 27352
negative_passages.text: Login broken after 15.10 -> 16.04 LTS upgrade, related to NVIDIA driver
negative_passages.docid: 117712
negative_passages.text: Black screen on login, gnome-shell eating 100% of CPU
negative_passages.docid: 43951
negative_passages.text: Unable to login to account in ubuntu 18.04 vmware workstation 15, after update
negative_passages.docid: 74148
negative_passages.text: Problems with booting the system
negative_passages.docid: 89603
negative_passages.text: How can I know if reboot is required after update?
negative_passages.docid: 146685
negative_passages.text: Booting into text mode - how can I fix it?
negative_passages.docid: 115017
negative_passages.text: Black screen after clicking "Install Ubuntu"
negative_passages.docid: 50005
negative_passages.text: Unable to log in to my system
negative_passages.docid: 46041
negative_passages.text: How to troubleshoot booting to a black screen on VirtualBox
negative_passages.docid: 88808
negative_passages.text: 12.04 stuck at the login screen
negative_passages.docid: 135692
negative_passages.text: ubuntu 14.04 black screen when installing
negative_passages.docid: 92451
negative_passages.text: Black " administrator" screen when connecting
negative_passages.docid: 116397
negative_passages.text: Can't reach login screen after accidental power loss during an upgrade
negative_passages.docid: 31105
negative_passages.text: Boot screen in low graphics/text mode