USASMA
Thanks very much for all your efforts thus far!
I will read those links you posted and try some of the other suggestions, but give me a few days. I have a busy schedule this week, so I may be slow in responding.
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So, in this case, if it's an issue with the video driver that's got it's permissions corrupted, then it might not run for a Standard User (which would make your Admin account's behavior suspicious).
Where did you get the driver to update your video card? Was it from the PC manufacturer's website, or from the ATI website? Have you tried the Catalyst uninstaller to remove all traces of the video driver before installing the new video driver?
That was one of my hunches as you can see in one of my earlier posts. I haven't tried that yet, but I think I will.
My DELL originally came with XP installed and an ATI Radeon X300 card. I wanted to upgrade my video card so I purchased at a retail outlet a Radeon X1600 which was compatible with Vista.
When I installed Vista, it already had a driver for this card, but I did download and install the latest driver from ATI's website (both the driver and Catalyst Control Centre). This was back in September 2007. I then updated my chipset, SATA Controller drivers as well as download the 8.2 Version of this ATI driver (Jan. 2008). I completely removed the ATI software, and installed the latest.
I now see that version 8.3 is available.
http://game.amd.com/us-en/drivers_catalyst.../common-vista32
Looking at the release notes, it mentions something about a Black sreen issue being resolved. About 1/4 of the way down it mentions:
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Resuming from hibernation mode with HDMI display connected no longer results in a black screen with only a mouse cursor being displayed. Further details can be found in topic number 737-31149
So, I'm going to completely remove the current ATI driver and re-boot. Vista should then automatically install the appropriate driver from its driver database. Then I'll check the Standard account again. If it works, then I'll try installing version 8.3 from the website and check again.
However, I tried booting into the Standard User account in Safe Mode. I still had the black screen even though in Safe Mode, only the standard VGA driver loads, so maybe it isn't a video card problem??
Event Viewer
I went to the Standard Account, hit Task Manager, Run - New Task and typed in Eventvwr.msc. I got an error saying it wasn't a valid MMC snap-in or I didn't have permission to run it. So, yes, I've tried accessing Event viewer in the Std. Account. How can I run this as an administrator from a Run box?
Also, my black screen is now a blue screen!! Not a "blue screen of death" just a blank light blue screen with the mouse only.
I'll let you know what else I come up with. Thanks again.