How would I change the startup screen?

Hi guys, I've been barking at this tree for some time now and have tried just about every trick I could locate on the internet and I don't have an answer. My laptop takes 2-3 minutes to shutdown and if I haven't used msconfig to disable all startup items and services, it can take nearly 10 minutes...

After the Starting Windows screen a blank black screen with a cursor that I can move pops up that lasts a minute (shouldn't happen with SSD, used to be ~10 second boot). Afterwards the login screen will appear as normal and everything works as normal. This doesn't happen when I boot into safe mode....

By startup screen, I don't mean the lovely little animation. When my computer starts up and the animation loads, the black behind it is a different shade of black than the black surrounding it. It's as if the resolution is locked to a smaller one, and when I get to the login screen it reverts to my...

Upon booting my computer, I'm presented with the option to go into startup repair, or start normally. If I start normally, it loads the logo, but before it gets to the login screen, it crashes to the boot screen. If I select the startup repair option, it shows a loading bar, which completes, but...

I'm using I have a DELL4500S desktop, on startup it will not go to the login screen, the screen is just black with the cursor showing. I've tried restarting the computer, unplugging everything and restarting it. Nothing is working. When it first starts a pop up shows and says "This Application...