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February 16, 2006

Microsoft confirms battery draining bug

Posted by David Hunter at 5:26 PM ET.

Microsoft has confirmed the battery draining bug that affects laptops with the Intel Core Duo chipset and processor. Tom Krazit has the details at CNET:

Microsoft has confirmed the existence of a flaw in its USB 2.0 drivers for Windows XP Service Pack 2 that can cause a notebook to consume power at a faster-than-expected rate when using a peripheral device.

Microsoft published a Knowledge Base article on the subject in July 2005, but made that information available only to PC vendors and partners, a company representative said in a statement. The software maker is not releasing the article to the public, but a copy was posted on Slashdot that industry sources have confirmed was the original article.

In the private Knowledge Base article, Microsoft outlined a fix that involved modifying the registry key for USB 2.0. However, since then the company has realized that this is an impractical fix for most users, and is working on a new fix that could involve a BIOS update patch, a company representative said in a statement.

Intel is also working on a fix. It’s not known how widespread the problem is – other Intel and AMD processors may also be impacted.

Filed under AMD, Hardware, Intel

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