Toshiba Laptop — Problem with my Pc

Hi My Name is Praneeth Kumar I have taken new Toshiba Satellite Pro serial number ZD161395S in Kuwait, The Problem is I don't no why my laptop gets switch off or restart and some times the mouse pad doesn't work at that movement I have to restart and also I see some problem on my display may be the problem with pixels. Please if its possible I would like to return it back and please refund my money or else fix this dam problem its really disturbing me while working. Thanking you Praneeth Kumar +[protected]