query: Can not lock screen, screen lock never activates, and Super+L does nothing
positive_passages.docid: 16309
positive_passages.text: Ubuntu 18.10: Screen lock options grayed out
negative_passages.docid: 143504
negative_passages.text: Home button broken and Notification Center stuck
negative_passages.docid: 78978
negative_passages.text: Activation lock problem
negative_passages.docid: 143804
negative_passages.text: How to run a command or script at screen lock/unlock?
negative_passages.docid: 156346
negative_passages.text: Force Screen On
negative_passages.docid: 16662
negative_passages.text: I failed to open a lock. Now what?
negative_passages.docid: 23065
negative_passages.text: How do I disable the Super key?
negative_passages.docid: 125765
negative_passages.text: screen keeps jerking and there are automatic touches
negative_passages.docid: 39581
negative_passages.text: How to Lock/Unlock screen programmatically?
negative_passages.docid: 47115
negative_passages.text: What is this lock screen with ads and how do I remove it?
negative_passages.docid: 53807
negative_passages.text: How to make the lock screen look like the login screen?
negative_passages.docid: 136133
negative_passages.text: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
negative_passages.docid: 46656
negative_passages.text: How do I prevent the blank screensaver when using keyboard shortcut to lock the computer?
negative_passages.docid: 84820
negative_passages.text: iOS 7 Locked Bug via Ubuntu 13.10
negative_passages.docid: 155171
negative_passages.text: Onguard U-lock jammed
negative_passages.docid: 16199
negative_passages.text: Cannot change lock screen background on Ubuntu 18.04
negative_passages.docid: 157018
negative_passages.text: My key jammed in my U-lock. How can I unlock/break it?