Hi
Picked this up on the net.
"Samsung Sweden to Linux User: “UEFI BIOS Bug Not Our Problem”"
http://scienceblogs.com/aardvarchaeology/2013/10/29/samsung-sweden-to-linux-
user-uefi-bios-bug-not-our-problem/
It appears that samsung laptops have a problem when you need to re-install 
your operating system which can leave you with a useless laptop.  See above 
website for details.
John Eayrs
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