Author: William Penn
Date: 10:40:04 12/30/04
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>>The funny thing about the whole event is that I'm deathly afraid of electricity. >>I kept reminding the service guy that my computer is ON, as is the power, and I >>have 4-fans running. He kept saying don't worry. But as soon as I touched the >>power cord to my hard-drive, I saw a spark and got zapped. >> >>I always thought that one NEVER deals with anything electrical with the power >>on. >> > > >shows that you should always challenge the experts > It makes no sense whatsoever to leave the Power turn ON while you're working under the hood. Turn the power switch OFF on your computer! You were lucky. However it's a good idea to leave the computer plugged into the wall socket (or power strip, or UPS) provided it has a 3-prong connector and is on a properly grounded circuit. Why? Because that leaves the chassis of the computer connected to true ground, so static electricity can't zap components - provided that you touch the metal chassis to ground yourself first. There should be no dangerous power accessible (you can't get shocked) if you leave the cover on the power supply. The wires and plugs leading from the power supply should have no electricity in them. WP
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