Eric Stevens wrote:

I nhave got into device manager and have found that it cycles between
the normal display and a blank screen at about half second intervals.
In any case it is unusable. This may or may not have anything to do
with my Cortana problem but any suggestions about what the damned
thing is doing?

10 minutes later: I have rebooted and all appears to be working
properly again (except Cortana). :-(



I've got one looping like that right now, and rebooting
isn't helping.

I managed to get Task Manager to run.

From there, I got explorer.exe to start.

Plugged in a DVD and now I can run "setup.exe" off it.

*Don't* accept the option to download updates.
It got to 46% and stalled. Now, I have to repeat
and try again.

Paul