These power adaptors have also been recalled for some IBM notebook models. The manufacturer (of the A/C adaptors) is based in Taiwan.
"In cooperation with the U.S. Consumer Product Safety Commission, Dell is voluntarily recalling and offering free replacements for certain AC adapters that were sold for use with some models of Dell Latitude, Dell Precision and Dell Inspiron notebook computers.
It is possible for the adapters to overheat, which could pose a risk of fire or electrical shock..."
http://www.delladapterprogram.com/

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