Don't buy a dell. I am a certified Dell Tech for the military and they are crap. Maybe it as something to do with the fact they they were never meant for use such as what the military uses and abuses them for, but nonetheless there is an extremely high failure rate among the laptops especially. Dells only saving grace is that they overnight parts to us.
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Build a man a fire-keep him warm for an evening-set him on fire-he is warm for the rest of his life.