Windows 10: Cursor randomly turns black and has weird white rectangle above it after getting new monitor

I got a new 1440p monitor recently and ever since I got it my cursor will randomly turn black and also have a weird black and white spotted rectangle appear above it attached to the tip of the cursor. I tried looking it up online, but all I got were results about a black screen with only a cursor. What is happening to my cursor and how can i fix it?

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Monitor is going black or distorted white randomly

I have a LCD monitor on my computer. Randomly, the monitor will either go completely black (as if powered off, and the power light turns off) or it will get a distorted frozen white screen (like how your smartphone would look if you dropped it in a toilet and tried to turn it on). Not too surprising, I have not dropped this 21 inch monitor in a toilet. The only way I can get the monitor to work again is by unplugging it and plugging it back in

I'm pretty sure that it is just a dead monitor that needs to be replaced, but a friend suggested that it might just be the power cord, since the monitor will work (like it is now) for hours on end, then suddenly start randomly not working. It's worth checking out, but before dropping money on a new monitor (if it isn't the power cord), can anyone confirm (or strongly suggest) that it is not a CPU issue or video card? Or maybe someone has seen this before?

 

My monitor turns black and white

When I boot up my two-month-old Windows 10, the monitor displays lovely color. As soon as I enter my password and hit enter, the monitor turns black and white. Suggestions?

 

Monitor is going black or distorted white randomly

My first suggestion. If you don't have a spare monitor (or TV with computer input) ask your friend to swap with him for a bit. If the problem occurs with his monitor, you know the problem is in your computer (most likely the card or integrated graphics). If the problem moves to his computer, then you know it is the monitor.

The monitor turning white does NOT suggest power. But the power light going off (assuming it is not even blinking) does. For sure, make sure all the power and data connections are tight - especially if the monitor uses an external power block.