Windows 7 won't sleep, won't turn off screen?

Question

Windows

In the power saving settings, it is set that when idle, turn off the monitor after 20 minutes. This is not happening. Glowing all night. Is there a way to trace the culprit?

Answer 1

In the command line in administrator mode, run:
It will display everything that blocks the transition to power saving
In this case, we are interested in the category DISPLAY
The command is
correcting the situation
To help
powercfg /?

Answer 2

You can read the system logs: when the computer started the hibernation process and which device woke up from hibernation. If the computer does not fall asleep at all, then try turning off all unnecessary peripherals.

Answer 3

First, make sure that the current profile matches the one where you change the settings
. Second, check the advanced properties in the same place.
Third, put 1 minute to test on each of the power plan.

Answer 4

And what prevents you from tracking the process by enumeration?

Answer 5

Unloading Google Chrome from memory helps me - but sometimes it falls asleep with it - the browser has already been updated more than once - anyway.

Answer 6

VLC player has a setting to block the screen saver and turn off the screen. Just not sure. whether enabled by default. Why, almost any modern player can do it. Only VLC continues to interfere all the time while it is running - it doesn’t matter if something is playing or paused or stopped. Maybe he weighs in memory and holds a hook?

Answer 7

If there is a VIA 1394 OHCI in the device manager, then in its properties, on the Power Management tab, uncheck all the checkboxes. If not, then in Device Manager, open the properties of the listed hardware for Keyboard, Mouse, 1394 Bus Controller Host (FireWare), Network Card, USB Host Hubs and on the Power Management tab uncheck all the boxes.