Loose power cable connector in a new Mac Mini.


At work, I got new Mac Mini (2.3 Ghz Intel Core 5; 4 GB of RAM) last week. I noticed its power cable is loose since I move it around it connect/disconnect cables in its rear sometimes. I don't seem to be alone online like in http://forums.macrumors.com/archive/index.php/t-668932.html ... Is there a fix for this like a better power cable?

Thank you in advance. :)
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