Thanks, I'll start there.

Can someone get me on the road to dealing with this? What should I do?

I'm running Windows 10 on an Asus ROG laptop. Suddenly it's hanging up after login -- the circle goes round and round and the desktop never loads. I've tried troubleshooting in safe mode, but it...

Oh, duh. I knew it would be something really dumb like that. Thanks.

How do I adjust the wallpaper? You know, in the past it always gave you the option to fill the screen, tile, etc.? I feel dumb, but at this point I can't find how to do it.