On Thu, 17 Dec 2015 15:47:29 -0500
Michael Havens <bmike1@gmail.com> wrote:

> I've had a wireless key board for a year that just recently started
> working intermittently. I replaced the batteries with new ones from
> three different packages and they worked great for about an average
> of 10 minutes. Some how I figured out that it works like normal as
> long as the battery cover is removed. HUH?
> 

One possibility to rule out is electrical contact corrosion. See

http://troubleshooters.com/tpromag/200310/200310.htm

SteveT

Steve Litt 
November 2015 featured book: Troubleshooting Techniques
     of the Successful Technologist
http://www.troubleshooters.com/techniques
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