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New Turning Aero off makes your computer go slower.
The compositing hardware-accelerated window manager has its wings clipped when running in "classic" mode. When Aero is enabled, the DWM can offload some work onto the GPU.

Desktop users probably won't care, but laptop users may see their battery life affected as CPU use is elevated slightly.

Note: you can't turn Aero off in Windows 8. Not that you'd want to, because it's better than what went before, and is considerably less blingy. In Windows 7 (i.e. on my work laptop), I have set the window colour to "slate" and turned transparency off, and that makes a lot of the visual silliness go away.
Expand Edited by pwhysall Sept. 14, 2013, 12:45:26 PM EDT
New DWM = Aero? Didn't seem so from the 7forum site you link to.
A few clicks on "related" starting from the page you gave us, there was something about how to enable DWM while not the Aero interface. OK, so maybe you meant that DWM = Aero, and Aero =/= Aero interface... Shit gets too confusing with MS naming conventions.
Christian R. Conrad
Same old username (as above), but now on iki.fi

(Yeah, yeah, it redirects to the same old GMail... But just in case I ever want to change.)
New Really?
Does it depend on the video chipset? My laptops don't have any fancy graphics chips. The Toshiba R835 (IIRC) has an Intel HD3000.



Verify that your computer meets the minimum hardware requirements for Windows Aero.
Microsoft's system requirements for Windows Aero include:

1 GHz 32-bit (x86) or 64-bit processor
1 GB of system memory
Graphics controller with 128 MB graphics memory, WDDM driver, and supports Pixel Shader 2.0 in hardware and 32 bits per pixel color.

Apparently the HD3000 can do that (of course it is a shared memory chipset (64 MB dedicated) so...).

Hmm... I see MS ripped out the GDI hardware acceleration with Vista and later. Figures.

Maybe I don't actually have Aero turned off. I simply did:

Control Panel -> Performance Information and Tools -> Adjust Visual Effects -> Adjust for Best Performance (everything unchecked). (The Performance Information summary shows "Desktop Performance for Windows Aero = 5.9"

Under Personalization, I'm running a slight variation of the Windows Classic theme.

So, I guess Aero is running.

As CRC said, Windows naming conventions for this stuff is confusing... :-/


Thanks for the info!

     new lapper, winders 8 - (boxley) - (13)
         Multitouch. - (Another Scott) - (11)
             sounds like an external mouse fix -NT - (boxley)
             What he describes . . . - (Andrew Grygus) - (9)
                 That too. :-/ -NT - (Another Scott)
                 Aero Snap is brilliant - (pwhysall) - (7)
                     Meh. It's annoying, too. - (Another Scott) - (5)
                         "Aero Snap" =/= "Aero", I think. - (CRConrad) - (1)
                             Thanks. Progress is good, but muscle memory is stubborn. -NT - (Another Scott)
                         Turning Aero off makes your computer go slower. - (pwhysall) - (2)
                             DWM = Aero? Didn't seem so from the 7forum site you link to. - (CRConrad)
                             Really? - (Another Scott)
                     Re: Aero Snap is brilliant - (boxley)
         Same thing as spinning the scroll wheel on the mouse... - (CRConrad)

Whosoever shall run XVGA, and cause it to display a multitude of hues, there shall the beaver soon make his home. Let it be written - let it be so.
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