It sounds like you've got a mess there. Good luck with the reinstall. I'm sure it will solve everything. We had to do that on our daughter's PC a couple of years ago, and it worked like a charm.
Since my last post, I ran a Dell PC check, which directed me to do several updates, but that was all that came up. I'm about to give that Norton trial a whirl. Keep your fingers crossed! ~c
Help, my PC with Windows 10 won't shut down properly
Since upgrading to Windows 10 my computer won't shut down properly. I use the menu button shutdown and the screen goes blank, but the system does not fully shut down. The only way to get it to shut down is to hold the physical power button down till it shuts down. Any suggestions?