I get 2 black screens for 30-45 secs when rebooting which slows down process but still alllows me to have access to my desktop.
I opened device manager and it was showing only my Mobile Intel 4...

I have a Dell laptop Inspiron 1750 with a Mobile Intel 4 series graphic card and I also get two black screens with cursor when rebooting. I noticed that in system manager it shows that I have a plug...