Docker runs on getting started dashboard but not on PS Terminal (or any other)

Solution for Docker runs on getting started dashboard but not on PS Terminal (or any other)
is Given Below:

When I first install docker I can choose to go to the Quick Start Guide interactive window (or once done the quick start guide I can also go there again by right clicking on docker icon and selecting Quick Start Guide on the menu). As you can see I can do anything docker in this windows/environment as shown:
Dockekr works just fine on quick start guide

as you can see I can pull containers, run containers right there on that quick start guide command line, however, when I open a terminal (be it PS or Git or normal windows CMD) I can’t seem to run docker there as shown:
enter image description here

So not so sure what am I missing. Thanks for any feedback!

I found the solution at least to my situation, problem is that there was this environment variable DOCKER_HOST (left over from Docker Tools) that was being set, which is not set when I do the quick start guide. Solution was to remove this environment variable from system/user settings and voila I could run docker on the terminal.
enter image description here