The lock screen is pretty much only designed for touch screen devices, such as Surface Pro tablet, but become redundant on a non-touchscreen laptop and PC running Windows 10. Because you have to click it away to get to the login screen. Here is a easy tweak to turn it off completely and make comfortable working.
How to disable lock screen in Windows 10 for non-touchscreen device
If the device is running the Windows 10 Pro version, change the setting by Group Policy Editor
* Right-click the Start button at lower-left corner of the desktop, and click Run from the Quick Access Menu. Or press Win + R from your keyboard.
* Type gpedit.msc, and click OK button.
* Navigate to the location below:
Administrative template > Control panel > Personalization
* Locate the “do not display lock screen” and double click it.
* Check “Enabled” box, and click Apply > OK. Then make a rebooting to apply all changes.
Through Registry Editor
* Press Win + R keys, type regedit into the Run dialog box, and press Enter.
* Go the tree below in the left side of Registry Editor:
* Right click on the Windows folder, select New > Key. Then click “New Key #1″ to rename it to Personalization.
* Select the Personalization folder. In its right pane, right-click any empty area, select New > DWORD (32-bit) Value, set its value name to NoLockScreen.
* Double-click NoLockScreen key, change its value data from 0 to 1, click OK and close the Registry Editor.
* Finaly reboot the system and now you only log in to PC by entering your password, without using lock screen.