Sometime the lock screen timeout in Win 10 is too long, or too short. If you need to change it, please, do next:
- Start Registry Editor – Regedit in elevated prompt
- Go to: HKEYLOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\8EC4B3A5-6868-48c2-BE75-4F3044BE88A7”
- Double click the Attributes value to open the Properties window
- Change the value in the Value data box from 1 to 2
- Click OK
- Go to Power Options in the Control Panel
- Click on Change plan settings
- Click on Change Advanced Power Options
- Expand the Display item
- Choose Console lock display off timeout