To change the background for the Windows 8 lock screen you should go to the Windows 8 Start Screen and type customize lock. When the search results appear click on the Settings category as shown below ...
Does your Windows computer turn off display after being locked for 1 minute? You can enable Console Lock Display Off Timeout in Windows Power Options and change ...
The next time your computer goes to sleep and you wake it up, it will no longer go the lock screen. In the future if you wish to enable a password on waking the PC, click on the Change button again to ...