My apologies for leaving things out, and I didn't mean to frustrate you. I am posting these from home not near her computer, by memory, which is apparently not good enough.
I'm sorry, again.
I did run Windows Update, but only installed the important (not recommended) updates.
The important updates were Windows 7 SP1 and the Malicious Software Removal Tool. I can't remember what the 5 recommended updates were, but they didn't look like they had to do with the monitor or video drivers.
Next time I'm over there, I'll run the recommended updates, follow the instructions above and try to find my own way around the Dell downloaded drivers, which I already copied over by flash drive last time I was over there.
If that doesn't work, she's on her own. My apologies for being a difficult forum user.