Installed, but wont boot. #iATKOS

So as the title says I just installed IATKOS S3 v2 and everything installs fine. But once I restart the laptop flashes really fast and then reboots. Here's the specs.







Operating System: Windows 8 64-bit



System Model: Inspiron 3521



BIOS: A05



Processor: Intel(R) Pentium(R) CPU 2117U @ 1.80GHz (2 CPUs), ~1.8GHz



Memory: 4096MB RAM



Card name: Intel(R) HD Graphics