Quote Originally Posted by mFunebre View Post

It's the overclocking. I thought it was Turbo Boost, but I installed CPU-Z and it turns out the processor is always at 2.4GHz instead of 1.7. I've submitted a ticket to the Acer site.

Thanks for all your help !
You are welcome ^_^

Let me know how it goes ^_^

EDIT:- Did you try resetting the BIOS Settings?