my sister is asking an advice for a student/working laptop which is fast and the at same time good battery life and portable, maybe in 12" min to 14" max screen size, and hopefully there's a disk drive. The price range is $800 or less. Usually to utilized for computing like MS word, excel and PPT. Thanks!
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You can find excellent bargains on eBay for some Lenovo laptops. Excellent Keyboards, reliable machines overall.
For general use like MS word-excel or PPT you can get a laptop as cheap as possible, cause for those programs you don't need high end specs, so laptop with i3 or Atom is more than enough...