second display issue

I have been running a 2 monitor setup for a couple years now. I have one main monitor that is plugged into the VGA on my motherboard and the second one that is plugged into my GPU via HDMI. For a while now when the computer restarts the second monitor will not start up and stay in sleep mode...

Need some assistance before i chuck my monitor out the window. Everything worked fine on my second monitor then today. NOTHING. The monitor powers on and displays no signal detected (I've tried swapping the cables and booting it up with just that monitor plugged in still have the same issue)...

I recently got a second monitor. It works fine, but the only problem is that I can't get it the display to fill the entire screen! The left side of the screen is cut off, and the right side of the screen has a black bar where nothing is, and my mouse cannot go over it, as if the display is...

So i plugged my laptop to my PC graphic card, i set everything up on laptop, but my pc is still unable to detect it. I tried different cable, i updated both windows to same version, i have all drivers updated, my main screen is conected via displayu port (idk if important) and when i open my...