I found one of these at work and was told I could have it. I spent an entire evening cleaning all the key cases and reassembling it. But, after all that when I

I found one of these at work and was told I could have it. I spent an entire evening cleaning all the key cases and reassembling it. But, after all that when I hooked it up the spacebar and one or two of keys didn't work. Arg. I should have tested it first!