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 ?

Hi,
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 http://support.toshiba-tro.de/kb0/TSB7101O90002R01.htm 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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