I Cant Overclock Core i7 2600k on DZ68DB

Intel Dz68db atx motherboard lga1155 pci...
August 6, 2012 at 08:19:46
Specs: Windows 7 64bits, intel core i7 2600k / 16gigs
I cant OC my Intel Core i7 2600k mounted on a motherboard Intel boxdz68db, I have tryed lot of configs, and some times the system boots but only one time, for example for 4.5 ghz, the system boots, but when I restart, seems like the bios dont like my OC and never boot again until I reset everything to bios default, these are ma complete components list.

OS: Windows 7 Ultimate x64 (Spanish With the latest drivers installed)
Processor: Intel Core i7 2600k
Processor cooling: Intel DHX-B Thermal Solution
Motherboard: Intel boxdz68db
RAM: 4x4GB Kyngston HyperX Blu 1333 MHZ DDR3
Graphics Card: EVGA GTX 670 FTW
HDD1: Intel SSD 520 series 120GB (for OS only)
HDD2: WD Caviar Green 3TB sata 3 64Mb cache (for data only)
HDD3: Seagate Barracuda 250GB 7200 sata 3Gb/s (for Games)
Optical Drive:LGUH12ls28k Blu-Ray
Wifi: An old Linksys b/g Wireless card
PSU: Corsair Gaming Series 800W 80 Plus

--Outside Connections--
Monitor: Benq XL2420TX (connected via DVI dual)
Keyboard: Razer Black Widow Ultimate
Mouse: Razer Orochi
WD My book Essential 3TB (on USB3.0)

--Other fans on the case--
*One big generic, using only 5 volts to make air go inside the case.
*One standard to make air out of the case (it is an intel fan connected to the rear connector of my mobo)
*Another to Cool down the PCH or north Bridge (intel too connected to front fan connector of my mobo)
*Another one connected to a molex from my PSU to cool down HDDS)

About the OC, Before my GTX 670, I had a GTX 550 ti, and I could reach 4.5 GHz by only modify the turbo boost value to 45, nothing more, but some times after 5 or 6 boots or when I use to install some new game, the bios force me again to set defaults in order to boot, but now with this new GTX 670 I cant boot even if I modify just to 3.9 or 4.0 the value on the turbo boost, the default is 3.8, and with that value it neever fails, what I doing wrong?, some times I dont know why it simply boots, but only for that first time, for example yesterday I modified Power limits to 150 watts and be able to boot at 5.0 ghz, but I ran a Benchmark and after 15 secs, the blue screen apeared, please help Im so frustrated, I buyed every piece of this config to OC my Core i7 2600k, and that would be so sad if I cant do this.

Thanx alot and realy sorry because of my bad english.

See More: I Cant Overclock Core i7 2600k on DZ68DB

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August 6, 2012 at 10:38:18
Intel Motherboards generally are built for stability not overclocking, there are better motherboards available for overclockers....

ARM Devices the future. Windows have accepted the fact!

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August 6, 2012 at 12:11:43
Well its sopoused that this mother board is intented to do Overclock, so there must be some tweak in order to achieve that OC, at least a 4.5GHz I dont want to stay in stock clocks, something like raising the power limits or disabling some power lock, or something like that, Im lost, and I dont want to buy another mobo

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