Let’s face it, contemporary life is utterly dependent on computers. So when they aren’t quite up to snuff, we feel it. Fortunately, much computer service work is accessible to the average person with minimal tools.Smooth operation is contingent on fine circuitry that sometimes needs to be “spruced up.”Even printed circuits get the blues so they should be checked to ensure their connections are tight.For example, this one had play and needed to be recalibrated.For those of us with more technical savvy, “techies” if you will, even individual components can be evaluated.See? Found loose wires.One of the really cool things about the workings of a computer is, like wild animals in nature, colors are not just decorative. Bright colors can be a warning. I got the message loud and clear: Malfunction!Floppy drive!? Wow, don’t need that.Lastly, I needed to spot check the hard drive. And this is where some homeowners might need to make a small equipment purchase. But not to worry. At a modest price, Lowe’s carries the very same 6′ San Angelo bar used here.And it was this same San Angelo bar that finally enabled me to isolate the problem… the hard drive appeared to be scripted in brail!