Which laptop I should buy?

I bought Lenovo 4 times and every time, its having some issue and I had to return it. So not going to oder it again. (Ordered Flex 2, Flex 3 and ThinkPad E550 - 2 times)

Will be using for home computing (email and MS Office, Skype - NO games), looking for stylish laptop.

This is for my father, he need to travel to small villages in remote country, so looking to buy which should work with least issues, as I don't have option for repair or even return.

My budget is limited $600.
Dell or Toshiba or Asus ok with any brand except Lenovo

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