1,open the registry.

2. Browse the following path:

HKEYLOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\8EC4B3A5-6868-48c2-BE75-4F3044BE88A7

3. On the right side, double-click the Attributes DWORD.
Change the value from 1 to 2.
Click OK.

4.open the Power User menu and select Power Options.

5.Click the Change plan settings link for the selected plan. then click the Change advanced power settings link.

6 .On Advanced settings, scroll down and expand the Display settings.
You should now see the Console lock display off timeout option, change the default time of 1 minute to the time you want, in minutes.
Click Apply.

Click OK to complete the task.