Over Clocking HELP PLZ

Hi all, I've just upgraded my pc in a huge way.... ill tell you my specs then ill tell you my problem:-

Motherboard: Gigabyte Ultra Durable 2 GA-MA-790XT-UD4P
CPU: Phenom II x6 1090t Black edition (Water Cooled)
GPU: Crossfire 6870 Black Edition
RAM: 2x4GB DDR3 EVO CORSA DUAL CHANNEL (PC3-14900 1866MHz C9 & C10 EVO CORSA DUAL CHANNEL)
PSU: Corsair 850W Modular

My problem is.... I want to over clock my CPU to around 4GHZ, 3.8 GHZ minimum with awsome performance... When ever i go over 3.8 MY PC crashes when windows loads. OR when i change settings like HT Link Frequency or CPU/NB Frequency My pc doesnt even load and im forced to reset CMOS. So the only setting im changing is the multiplier at the moment. C1E Disabled and CnQ Disabled.

Any one know what settings i should be using??? OR a good way to find the perfect settings for me?

Thanks in advance would very much appreciate any ones help
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More about over clocking
  1. The settings vary for each combo of CPU/mobo/RAM. The links below should help however. The first thing you want to do is use Core temp to see what the CPU temp is under load. You need to stay below 55C with most Phenom II CPUs for reliability. It's a balancing act to get all of the CPU parameters correct for best performance with OC'ing.

    http://www.overclock.net/amd-cpus/902756-amd-overclock-guide-newbs.html

    http://www.overclockers.com/forums/showthread.php?t=596023
  2. Hey Beenthere... Thanks for rpely.. Do you have any knowledge of why my pc resists to start up after i change anything other than my CPU Mhz... I just changed voltages by 0.5 and my NB to 3000mhz and it just constantly refuses to start :(
  3. Ok Quick update.... Im on 3.8ghz Stable.

    CPU: 3.8GHZ 1.4750 Vcore (thats what it says at bottom) Thats auto but in cpuid it says 1.312 Why??.
    NB: 2.4GHZ 1.40V
    HT: 2.0Ghz Auto Volt
    Ram: 1600Mhz 1.650V

    When i up my NB to 2.6ghz... My computer doesnt start
    When i up my CPU to 4ghz It blue screens on Windows

    Any ideas?
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