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Has anyone had trouble with being shocked by their laptop? It only happens when it is charging and I am on the treadmill. When it is not plugged in--no problem. When I am not on the treamill and it is charging--no problem. It only occurs with a combination of the two. Can anyone help? Thanks!

Views: 155

Comment by David Castro on January 1, 2009 at 9:00am
Oh, my goodness! YES! This happens to me with my Dell Latitude D820. I figured it was just due to low humidity, which causes it to do that to me when I'm at work (where I sit in a chair). I hope you can figure something out. Now that I know this isn't just me, I might try something like one of those ground-straps that electronics people use to discharge when they're working on equipment.
Comment by bdrhoa on January 1, 2009 at 9:17am
Someone else here had that problem. Putting the treadmill on an antistatic pad didn't help. But the ground-strap worked. Unfortunately, you get yourself tied to the treadmill then.

Humidity can definitely be a factor.
Comment by Reagan on January 2, 2009 at 10:06pm
David,
My computer is a Dell Inspiron 1525. Hopefully not a coincidence. I may try to call technical support in the next few days. My husband is afraid I am going to be electrocuted! Not sure what a ground strap is, but will google it. Let me know if it works, David. Thanks!
Comment by Reagan on January 2, 2009 at 10:07pm
bdrhoa--Thanks for the info. It is really humid here today and I was still getting shocked!
Comment by bdrhoa on January 3, 2009 at 12:26am
http://www.radioshack.com/product/index.jsp?productId=2479151
http://www.radioshack.com/product/index.jsp?productId=2260808

I'm not sure the difference between the 2 and they are both listed as out of stock. But this is what you need. Check your local Radio Shack.
Comment by Jim on January 3, 2009 at 8:53pm
Hello. I believe it is caused by the static electiricty generated by scraping the shoes against the rubber conveyor belt. I find it I touch my hand to a metal part of the treadmill, I will get a small shock, after which I can use my laptop without fear of shocking my files into oblivion. The shocking seems to happen on laptops with both ungrounded (two-prong) and grounded (three-prong) electrical plugs. I believe the aforementioned static strap would be the long-term solution.
Comment by Dan on January 8, 2009 at 6:36am
I have been meaning to log in and ask this question for a few weeks now. I touch my treadmill's frame frequently to reduce the static, but I still sometimes get a small zap when I touch my laptop. Thanks for the info on the antistatic strap, I need to find one asap.
Comment by lrcsk on January 11, 2009 at 5:20pm
I'm guessing that if you set up a metal brush to just barely touch the surface of the belt as it emerges from the front, it would take the charge off and prevent this. Might look funny if not done subtly. That's on the assumption that the charge is from the belt going over the machine. If it's between your shoes and the belt, you'd have to do something else. One thing that would be almost sure to work is to put an antistatic grounding mat on your desk, connecting the ground wire to a good ground, and make sure to touch the desk before you touch the laptop. This is probably good even if the zap doesn't bother you, as sparks are not especially good for electronics. For cheap skates you could put a piece of sheet metal on your desk and use a wire and a 10 megaohm resistor (probably $1 from Radio Shack) to connect it to ground. Sometimes wood can be a good enough conductor to take care of this, if it doesn't have an excessively heavy plastic finish on it. And it looks a lot nicer than sheet metal. They make some kind of antistatic wax, so the most invisible way would be to use some of this on your desk and make sure a grounding wire is attached to it someplace. In any of these cases, you'd want to make a point of touching your desk before touching the laptop.

Or perhaps just clamp a small piece of bare wood to a metal part of the treadmill and touch that.
Comment by Reagan on January 11, 2009 at 9:18pm
Thanks for all the advice eveyone!!! Will let you all know what works. Have a busy couple of weeks so it may take me awhile to learn what works. Again thanks so much for all your helpful tips!!!!! Reagan

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