overclocking core 2 quad q9300 2.5

SuCkDuBsTeP

Honorable
Sep 27, 2015
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10,690
Hello everyone.I have gigabyte ga-ep41-udl3 mb and when I open bios to oc my cpu I do everything i increase my fsb from 333 (2.50ghz) to something around 350 (2.87) something there and I increase my voltage and all others stuff.But when I apply it my pc is only black screen 5 sec then it shuts down and by itself turn on normaly and when I open cpu-z my cpu is same as before 2.50ghz,then I back again in bios and I got pop up message like because you oced something computer didn't turn on as usually.Can someone help me about this?