On 27 Nov 2017, Mathedman wrote in
alt.windows7.general:

Dell computer with no input capability!

Yes it does.

My wife just bought a New Dell "all in one" computer.
But the thing is bizarre. It has no DVD drive,
nor place to install one. It has one USB port ---

That's your input capability. Get a USB DVD drive.

but the computer does not recognize anything plugged
into the USB slot !

If that's true, it's defective. Return it to where you bought it from.

Further more, it has Windows 10 installed which
doesn't have "Control Panel (at least none I could find)

Yes, it does. It has a "Settings" app as well as the traditional
Control Panel. You have to search for Control Panel, though, as it's
not on the menu by default.

So how do we do anything? We can access internet sites

Well, that's something, isn't it?

It doesn't even have Internet Explorer!

Well, yes it does, but it also has Edge, and you can install any other
web browser you like.

So what to do with the thing?

You do most anything any other computer does, just with limited storage
space and expandability. Unless it's broken out of the box, which you
indicate that it is. So, return it and get a different one.