New laptop freezing constantly

Hi guys
Im not really good when it comes to dealing with computer problems
I need some help
I bought a new laptop recently (Qosmio f60 series)
and the specs are

Intel core i5 2.27GHz
6 GM ram
64-bit Operating system
GeForce GT 330M graphic card

Now the problem is that the laptop freezes up when Im either shutting it down or leaving it idle for more than 10 minutes
and sometimes when I force it to restart from freezing up
It is completely fine when Im doing my tasks or even playing high-end games on ultra graphic settings(although the temperature of the laptop gets really high..)

And sometimes when I force it to re-start it will go into a 32 bit system mode(some kinda fail-safe system?)

I have tried to create a system repair disc to solve the problem but it did nothing...
I need help PLEASE!!!
 
It should still be under warranty. I recommend taking it back to where you bought it and get it fixed for free.
 
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