My amd 720 x3 overclocked but the 4th core doesn't work? Tags: AMD Core How To Overclocking Last response: March 30, 2010 5:39 PM in Overclocking Share huntluck March 30, 2010 3:20:47 PM hi guys i have previously posted my forum of how to unlock 4th core of 720 x3 be ........ But it seems it does'nt work out for me i have the below given M.B. in my spec's M4A78EM/1394. i unleashed it for all core's and with 2% ...... Instead my whole cpu stops for sometime like 4 sec's and then again restart's after change in BIOS.. I have also updated my bios .... More about : amd 720 overclocked 4th core work Starges March 30, 2010 3:36:16 PM If the 4th core doesn't unlock then maybe its defective. it is not a guarantee that you will unlock it because in most cases it is already defective. isamuelson a b K Overclocking March 30, 2010 5:39:41 PM Unlocking the locked cores is a crap shoot. Sometimes it works, sometimes it doesn't. They were locked for a reason. What that reason was for your CPU you'll never know. The X3 720 BE is still a great CPU and it's very overclockable with it's unlocked multiplier. Can't find your answer ? Ask ! Publish Related resources: ForumHow do i unlock 4th core on Phenom II x3 720 ? ForumPHII X3 720 BE 4th core question ForumUnlocking the 4th core of the phenom II X3 720 ForumUnlocking 4th core on AMD Phenom II x3 720 BE ForumUnlocking 4th Core on AMD Phenom II x3 720 BE ForumPhenom X3 720 BE: Unlocking 4th core recommendations. ForumProblem with amd phenom2 x 3 720 BE with activated 4th core ForumDoes unlocking the 4th core on an Athlon II X3 440 raise its TDP? ForumAMD PhenomII X3 710( 720 BE) 3 core --> 4 core PhenomII X4 920 ForumI5 3570K + Z77 PRO3 ForumOverclocked hd 5850, now games don't work. ForumWhat is the max core voltage i should go up to on a amd955 xII ForumWould AM2 heat sinks+fans work on AM3 motherboards? ForumOverclocking CPU Core Fail Error HELP DIAGNOSE ForumQ9300 temp no change of temp on two core ForumCAN THIS CPU BE OVERCLOCKED? T5800 2.0 GZ ForumCpu core voltage ForumOverclocking phenom II x 3 720 ForumNew gaming rig... Core i7... More resources Read discussions in other Overclocking categories CPUs Motherboards Memory Chipsets Heatsinks Water Cooling Intel AMD !