Powercfg sets power plan with never sleep but system goes to sleep and locks the screen
I created a command (.bat) file that executes 'Powercfg -s 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c' where '8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c' is the class name for power option (HighPerf) that sets sleep to never. Then I created a scheduler's task to execute
this command file at specified time. The goal here is to switch at this time from power option that has sleep in 1 hour (Balanced) to the power option that never sleeps.
At the designated time the power option changes from Balanced to HighPerf but after some time computer both goes to sleep and locks the screen. I do not know whether this happens at the same time or not. It is just that when I get to my computer some time
(2 hours) later, it is in the sleep mode (the light on the power button is amber), I need to press the power button to wake it up and when it comes to life I find out that the screen is locked and I need to enter the password.When I open Control Panel it shows
that HighPerf power option is selected. Yet, the computer went to sleep and the screen got locked.
All this does not happen when I set HighPerf power option from the Control Panel.
I am using Dell XPS 8500 desktop with Windows 7 Home Premium, so battery and closed lid settings do not apply as they do not exist on this computer, so those settings are not at issue.
Thank you
Isa Ten
Hi Isa,
Based on your goal "The goal here is to switch at this time from power option that has sleep in 1 hour (Balanced) to the power option that never sleeps.", why didn't you set the Balanced option to never sleep?
If you just ant it at one time to switch, you need another task to change back. Otherwise, it keep "never sleep" and "high perf"status.
Meanwhille, check your hibernate status of these power plan under sleep tab:
Power Options->Change Plan Settings->Change Advanced settings, you see a tap "Sleep"
Karen Hu
TechNet Community Support
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