leet PS peeps, i need a lil help

Basically ive copy/pasted an autocad image into PS, it has a black background, which I want white. So basically, I want to make everything thats now black turn white. Lil help?

Thanks!

duplicate layer and invert?

click the magic wand on one of the black areas…if it doesnt get it all adjust the tolerance

hott sexx thanks, but…

I figured out how to import teh images into autocad, which really works much better for what I need. I sincerely appreciate the quick responses though…