Aero switches off when extern monitor is rotated by Nvidia ControlPanel

Please see subject
Aero works fully when desktop is expanded to the 2nd monitor in normal view.
any workaround ?
Message was edited by: mhoffmann
sorry, I forgot to mention my hw: Satellite a100-02b ( geforce go 7600 )
.. and when I reboot Vista behaves a bit strange.
a few seconds all seems ok but then it sets back the external monitor to 16-bit colour and minimum Vfrequency ( 60 HZ )
and a message pops up that the "Desktop windows manager" has been closed due to a problem.
Is this perhaps because..
1) It's an old CRT, not specially known ( standard pnp-driver )?
2) the vista capability of the graphics adapter is not sufficient in this configuration ?
I heard somewhere that there is a switch in the registry, that disables the dwm.exe's test, whether the hardware is
able to support the aero-technologies. would that be a way to fix that ?

and thanks!
> Anyway, I try to understand what you did on the
> notebook
> You have switched the display to the second external
> monitor then you have changed the display position
> (you have rotated the display) and you have tried to
> use the Aero on the external monitor.
> Am I right???
No I've EXPANDED the desktop to the 2nd monitor. In normal view Aero works right then on BOTH monitors.
Only when I rotate the extern monitor this problem occurs.
I think, that this special configuration is a bit unique ( but very comfortable to work on )
and therefore not foreseen ( eeh, sorry for my english ) by the programmers of the drivers or
the dwm-team at MS.
ok, when I add the 1280*800 of the laptop screen and the 768*1024 of the CRT
I end up at 2048*1024 ( the unused area included )which is quite near to the absolute maximum of 2048*1536 the graphics adapter
supports on ONE monitor at all. Perhaps that's just too much...
on the you mentioned, the limit for aero with my 128 MByte VideoRam
would be 2.304.000 pixels - but only when one monitor is in use. There's no information about multi-monitor use.
so what, Aero is not that important, but when I have some time again, I will experiment a bit...
Ciao !

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