Random restarts or freezes? DISABLE C-STATES IN BIOS!!!

I would like to offer my advise to any of you experiencing random restarts or freezes with their rig.

I’ve recently got myself a new rig (RAM and graphics are from my old rig):

Corsair VS550 PSU (550W)
MSI Z77A-GA43 motherboard
i5-3470 CPU
4 x 4 GB Cor...