Japan’s Sony Corp. has launched a voluntary recall of 438,000 Vaio portable computers, citing a potential hazard that could cause the machines to overheat or possibly burn a user, Reuters reports. It is one of the biggest computer recalls since 2006, when Dell Inc. recalled 4.1 million notebook computer batteries because they could overheat and catch fire. Sony’s recall affects 72,800 computers in the United States, a Sony spokesman said on Sept. 4. Sony received 15 reports of overheating, including one of a consumer who suffered a minor burn, the U.S. Consumer Products Safety Commission said. The flaw, in Sony’s VGN-TZ100, VGN-TZ200, VGN-TZ300, and VGN-TZ2000 series computers, is related to "irregularly positioned wires near the computer’s hinge and/or dislodged screw inside the hinge" that can cause a short circuit and overheat, the agency said…

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