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Impossible overclock with asrock z77 extreme4 + i5 3570k

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January 26, 2013 9:12:09 PM

Hi everybody, I want to overclock my cpu to 4.5ghz i followed this guide step by step:

http://www.overclock.net/t/1198504/complete-overclockin...

But when I check my core speed in cpu-z it still at 3400mhz I tried another guide in youtube but I have the same issue...

Do you guys know what could be my problem it will be very appreciated.

Thanks a lot
a b à CPUs
a b K Overclocking
January 26, 2013 11:23:44 PM

Download occt, start a burn test and see if it shows the correct clock speed.
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a c 82 à CPUs
a b K Overclocking
January 26, 2013 11:52:49 PM

for starters, when overclocking, don't pick a number and expect to get that overclock. Its a step by step thing, and don't expect just because someone else has overclocked using certain settings, that it will work for you. Every CPU and motherboard will OC differently. First make sure any power saving features are off like intel speedstep that will down clock the cpu at idle, I suspect that is whats happening. And then increase the multiplier by 1x, and test for stability. keep upping multiplier untill its not stable, then you can look at getting it stable past that point by increasing voltages etc. you will need to get hwmonitor to monitor temps, a cpu stress test program like prime95, and some other benchmarks to make sure its stable. If you have the stock intel cooler don't bother overclocking at all until you get a better cooler.
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a b à CPUs
a b K Overclocking
January 27, 2013 12:03:41 AM

Speedstep would have u at 1.6 idle, unless there's some way to adjust the lower limit. Can turn it off for testing but back on when stable.
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January 27, 2013 1:05:15 PM

iam2thecrowe said:
for starters, when overclocking, don't pick a number and expect to get that overclock. Its a step by step thing, and don't expect just because someone else has overclocked using certain settings, that it will work for you. Every CPU and motherboard will OC differently. First make sure any power saving features are off like intel speedstep that will down clock the cpu at idle, I suspect that is whats happening. And then increase the multiplier by 1x, and test for stability. keep upping multiplier untill its not stable, then you can look at getting it stable past that point by increasing voltages etc. you will need to get hwmonitor to monitor temps, a cpu stress test program like prime95, and some other benchmarks to make sure its stable. If you have the stock intel cooler don't bother overclocking at all until you get a better cooler.


Yes I changed my cooler for the hyper 212. I will recheck if my settings in the bios are ok and retry the stress test with Prime95. I will do this after work

Thanks for your help
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January 28, 2013 10:40:50 PM

I put my bios setting to default, changed my core frequency to 35, disabled the intel speedstep but cpu-z still show 3400mhz. I even try the "Advanced turbo 30" and "Load optimised CPU setting" same thing. I really don't know what to do now...

I hope you don't have difficults to understand me english is not my native language.
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a b à CPUs
a b K Overclocking
January 29, 2013 12:25:17 AM

Could be a bad board maybe. Know this is a crazy question, but are you certain its a K model? Not sure if you can even access the oc settings if not - just thinking out loud.
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a b K Overclocking
January 29, 2013 3:10:17 AM

Try both of these, set in windows power options to high performance, if that doesn't work by itself go back into bios and disable all of your C states that will lock it at the top multiplier but it will still be going full speed when your PC is in sleep mode
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January 30, 2013 12:02:35 PM

I finally found my problem! I used to have an old version of cpu-z I just updated it and now it work fine. Thank you everyone for your support
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!