Mac is restarting by itself when I plug in a USB cable

I have an Actisys IR computer link that includes a USB cable and the IR reading head that is used to connect to my daughter's Animas One Touch Ping diabetes pump. It has worked fine for over a year and this week when we go to transfer data from the pump to the program on our Mac it is not reading the pump. So when you unplug the USB cable and plug it back it, the computer immediately starts to restart. Tried it multiple times on multiple days and I have no idea why this would affect the Mac and cause it to restart. Any ideas?

Try resetting the SMC
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.

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For reference purposes, click on the following link for the support page for your device on the kb.palm.com webpage.
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This question was solved.
View Solution.

Hi Chefd,
The USB port is not replaceable. I am glad to hear you have gotten it installed. If you have issues with connectivity you may want to consider buying a newer printer. Have a good day
I am an HP employee.
Say Thanks by clicking the Kudos Star in the post that helped you.
Please mark the post that solves your problem as "Accepted Solution"

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Dave,
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Mac is restarting by itself when I plug in a USB cable

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