About 22,000 certain Acer Aspire series Notebook Computers have been recalled from manufacturer Acer America Corporation. An internal microphone wire under the palm rest can short circuit and overheat. This poses a potential burn hazard to consumers. Acer has received three reports of computers short-circuiting. No incidents occurred in the United States. Consumers should contact Acer to determine if their unit is included in the recall and stop using the recalled notebook computers immediately. Certain consumer may be eligible to receive a free repair.