A:AnswerDoes your security camera system have an HDMI output? If yes, then this monitor will work. Will it be sufficient? That's not a question we can answer since you haven't given any details. What does that system recommend or require?
A:AnswerWindows display setting and in game settings are typically the issue. If you do a lot of upscaling, especially for streamimg, it can get hung up. Try resetting your CMOS.