Dell, the world's No.3 PC seller, said on Friday that demand for its PCs picked up quite substantially following the launch of Microsoft's new Windows 7 operating system in October.

Dell also expected its Asia business to return to revenue growth in the near future, Steve Felice, Dell's president of small and medium business, said in a teleconference, without being giving details.

(Reporting by Doug Young; Editing by Chris Lewis)

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