You can make lock screen looks beautiful but it seems redundant because you cannot use it at most of time especially when you use a Windows 10 PC but not a touch-screen tablet. Case 2: lock screen appears after computer sleep or lock.Case 1: lock screen appears before login screen at startup.And it can appear in two cases in Windows 10 computer. Lock screen is different from login screen. 2 Ways to Disable Windows 10 Lock Screen in Two Cases