The mouse cursor stops blinking after 5 seconds in Windows 11/10. You can change this Text Caret Cursor Blink Timeout by editing this Registry key.

Press the DPI switch button once and move the mouse. If the cursor speed changes, you’ve found the cause. Cycle through the ...

That is how you can change the cursor speed on a Windows 11 or 10 computer. It is quite easy to mess things up and change cursor speed to something that’s even more annoying.