John R. Lewis, MCP

I guess I just answered my own question. I was able to roll back the video
driver to V5.70.2.19.12, and the problem went away, though other screen
refresh issues seem to have popped up. Looks like a job for the folks at
Nvidia.

"John R. Lewis, MCP" wrote:

> I just installed Vista Business on my Dell XPS M170 laptop. I had been
> running Vista RC1 with few problems.
> I have an external 19" flat panel monitor connected to the DVI port on the
> laptop, and have configured it as second monitor. I have it set up so that it
> is to the left of my laptop screen (the laptop is the "primary" monitor).
> This works fine until I lock the laptop.
> I find that under the RTM version, when I unlock the laptop, the screens
> appear normal for a second or two, then the orientaion "flips", i.e. the
> external monitor now appears on the right side of the laptop screen. I can go
> back and change it, but this happens *every* time I lock the laptop. Does
> this seem to be a driver specfic issue? I am using the driver that Vista
> installed automatically (NVIDIA GeForce Go 7800 GTX, V7.15.10.9746). I never
> had this problem using RC1.