A:AnswerWe've only had the computer less than a month and the batteries are still going strong. We were told around 3 months depending on useage.....we'll see!
A:AnswerBud, I have no way to know for sure, I've never tried it. But I figure it should be in theory. The only trick would be to find all the drivers once the Win7 OS has been installed.
A:AnswerYes, Just follow this link. Page 14 of the manual that came with the computer.
http://topics-cdn.dell.com/pdf/inspiron-24-3455-aio_service-manual_en-us.pdf