El tema esque debe de haber alguna incompatibilidad entre los controladores del 940bw y la 8800GTS (o al menos eso creo). Porque aunque especificaras de la manera habitual la resolucion y el refresco de pantalla en propiedades de pantalla, realmente NO lo pone a 1440x900, sino a 1280x1024.
Entonces gracias a este mensaje, comprobe que es necesario acudir a las opciones avanzadas de pantalla en el panel de control de nvidia, para alli, especificar manualmente la resolucion y el refresco de la pantalla.
Copio literalmente;
HURRAH!
I have an 8800gts with two samsung SyncMaster 940bw lcds.
Their native resolution is 1440x900. my graphics card kept displaying them at 1280x1024. I send nvidia's tech support and email they (quickly) responded and told me to do a custom timing. It DID NOT WORK.
I would create the custom timing and then test it.. the test would fail. bummer. so i was waiting for them to answer me back and i decided to do some more research.
It now works.
Here is what i did to get it to work...
1. NVIDIA Control Panel > Display > Manage custom timings.
2. Click both "Treat as HDTV" and "Allow modes not exposed by the display"
3. Click [Create...]
4. Under Custom display mode values:
Horizontal desktop pixels: 1440
Vertical desktop lines: 900
GDI Refresh rate: 60
Bits per pixel: 32
(don't have "Interlaced" checked)
5. Click [Advanced >>] (by the way this is where I didn't go when NVIDIA emailed me)
6. Under "Back-end parameters":
Timing standard: DMT
Desired refresh rate: 60
(the rest of the fields are grayed out)
7. Under "Front-end paramers"
Scaling type: Display (none)
8. Click [Test]
9. Click [OK]
...."
Quiza no me haya explicado con suficiente claridad
¡Saludos!
P.D: No es necesario activar la casilla "Considerar como HDTV" para que el procedimiento funcione.