Open an elevated cmd prompt
Run powercfg -query
This shows the current power scheme that is running and what the status is
for the devices.
Locate the display device or monitor
check what the settings are;
This should tell you what it is set for
Also use powercfg -devicequery and use the s1_supported, s2-supported, etc
options to check which ones the display supports.
This should be able to tell you what options that device supports
Also run powercfg /a to report if anything is limited some of the sleep
Things like bios, drivers or applications may be reported here.
This makes an attempt to see what may be preventing some options from
This posting is provided "AS IS" with no warranties, and confers no rights
|> Thread-Topic: Windows Vista Power Options
|> thread-index: Acg+cGTQKeXaYIjrRr2gc+jWWbQANA==
|> X-WBNR-Posting-Host: 22.214.171.124
|> From: =?Utf-8?B?TWljaGFlbCBJYW4gU2FtbWVscw==?= <Michael Ian
|> Subject: Windows Vista Power Options
|> Date: Fri, 14 Dec 2007 08:43:02 -0800
|> Lines: 18
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|> So I've been having a constant battle with Windows Vista, from the day I
|> I leave my laptop on day and night, and during the night when I am not
|> it, I like to sleep. Now, as the laptop is a laptop, the monitor cannot
|> switched off seperatly, and one of the good things about Windows XP is
|> if you set your monitor to turn off after a certain amount of time, it
|> actually turn off, so that there is nothing - not even a light on screen.
|> But in Windows Vista, I was shocked to discover that all the "Turn off
|> monitor" option did was to fade it out to black, and still have the
|> showing, and some light.
|> I cannot close my lid, because my Wireless gets disconnected, and I need
|> during the night, so my question to you: Is there anything I can do to
|> it off fully, like XP does? I have tried installing the graphics drivers
|> the ATI site, thinking that it have been because I was using WDDM
|> but it was not. Thanks.