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F12 Key for Aero Toggle? [RESOLVED]

post #1 of 7
Thread Starter 
I was hoping there'd be an ongoing discussion thread so I didn't have to make a whole thread, but this caught my attention. I was in Word and accidentally smacked the F12 key, and the screen did an instant-flicker and I noticed that the taskbar went opaque as it does when Aero is off. Sure enough, the other features like Windows + Tab (I don't know the name, the visual Alt-Tab) went away, along with previews in Alt-Tab, etc. Hitting it again turned Aero back on instantly; I checked VRAM usage in Afterburner, and it changed significantly, as usual, between Aero and non-Aero.

I did a few different Google and OCN searches to see if I could find any information regarding this, to no avail. Is it a common Windows feature? Or is it something that was enabled by me or a piece of software somewhere along the line?

The reason I'm so curious, is that, for example, if a game uses too many resources and Windows automagically toggles Aero off (or if you set an exe to turn off Visual Themes and Desktop Composition), it does so instantly, but trying to turn on/off Aero manually through the Personalize menu takes a considerable amount of time. With this F12 shortcut, it's much easier now for me to set it off before starting a game (i.e. Skyrim with mods to squeeze out that extra bit of available VRAM), without having to change settings for individual exe's.

Am I overreacting? tongue.gif

EDIT: Now it's not toggling anymore... what changed between now and 7 hours ago, I do now know...
Never mind, it was Mumble preventing the toggle.

EDIT 4/6: Err... I'm a moron, F12 is the video capture button. I don't know why it turns off Aero, but I definitely have 12 short videos of my dinking around in my desktop...
Edited by EfemaN - 4/6/12 at 7:35pm
post #2 of 7
On my laptop it does nothing, I have not heard of an aero toggle. I did find it useful ti disable aero when doing dual monitors on my netbook and playing HD video, with aero it was choppy, but without it it was smooth. I guess in some cases, having it disabled gives you just enough extra power to get by.
post #3 of 7
I just hit f12 on my work PC and a new window opened with the source code for this thread lol, and in word it was the "save as" function
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Rising Sun
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by Hydraulic View Post

On my laptop it does nothing, I have not heard of an aero toggle. I did find it useful ti disable aero when doing dual monitors on my netbook and playing HD video, with aero it was choppy, but without it it was smooth. I guess in some cases, having it disabled gives you just enough extra power to get by.

I believe it's mostly a memory thing, but I suppose it may be causing some processing as well.
Quote:
Originally Posted by DaXxJaPxX View Post

I just hit f12 on my work PC and a new window opened with the source code for this thread lol, and in word it was the "save as" function

For me, the key seems to also perform the F12-shortcut in whatever application is running, but it'll do the Aero toggle if I have the desktop as the focus. From what I'm seeing from you two, I'm assuming it's not on by default; I wouldn't guess that it's something outside of Windows, as I doubt other software has access to that control.

EDIT: Now it's not toggling anymore... what changed between now and 7 hours ago, I do now know...
Never mind, it was Mumble preventing the toggle.
Edited by EfemaN - 4/4/12 at 7:00pm
post #5 of 7
Yea, I would assume it is an option in some program that you have enabled, I tried it on 5 different windows 7 computers, one was starter, one was home premium, two were professional, and one ultimate, and none of them did anything when I pushed f12
post #6 of 7
By default, F12 is not assigned to do anything in Windows OS. Do you have other software running that might have mapped F12 to do something you are not aware of?
post #7 of 7
Thread Starter 
Sorry it took a bit to get back to everyone. I think MSI Afterburner is causing the behavior. I haven't tried it on any older versions, but 2.2.0 Beta 15 seems to allow for this; turning off the software makes F12 inactive again. Can anyone else verify? I'm not seeing anything about the F12 key in the settings.

EDIT: Err... I'm a moron, F12 is the video capture button. I don't know why it turns off Aero, but I definitely have 12 short videos of my dinking around in my desktop...
Edited by EfemaN - 4/6/12 at 7:33pm
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Overclock.net › Forums › Software, Programming and Coding › Operating Systems › Windows › F12 Key for Aero Toggle? [RESOLVED]