maks kuznia :
clutchc :
See if this solves the problem.
https://www.infopackets.com/news/9734/how-fix-windows-10-display-black-border-nvidia
It's outdated, I don't think there is a "Resize" button anymore.
Anything else I can do?
Are you using a monitor or HDTV?
What type of connection between card and display*?
What Nvidia card?
What is the monitor's screen resolution and vert. refresh rate?
I've never seen that happen with Nvidia. AMD used to have that issue with HDMI sometimes.
* If using HDMI, go to the NCP/change resolution/(3) apply the following settings/and tick use Nvidia color settings. In output dynamic range, change to full if it is now set to limited. Click Apply.