i7-4770k and Gigabyte Z87-UD4H Overclocking Problems

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Drummerdude1099

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Jul 15, 2013
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So I wanted to overclock my PC so I watched some tutorials and once I was confident I did exactly this. I went into BIOS, loaded optimized defaults, then changed my i7-4770k's base clock to 100 and the ration to 42. Then I saved and exited and went into windows ultimate. Everything was perfect. CPU-Z reported like 4.19 and everything was perfectly stable. Then, I turned off my computer. When I turned my computer back on, it powered down before POST then rebooted fine, then gave me a boot failure message and I choose to go into BIOS. I loaded optimized defaults, then went into windows. CPU-Z said clock speeds were normal. I powered down and rebooted over and over, and all was fine. Then, I tried to OC again, following the same procedures as before. Every time I get the same results. I have a 550w power supply, the original Cooler Master V8, a GTX 770, and 8GBs of 1600Mhz G.Skill Ripjaws X RAM. Please tell me what I'm doing wrong. This is the first time I overclocked, so I'm probably making a rookie mistake.
 
Solution
benjii
The vcore determines the amount of volts that are going to your CPU and is a vital part of the overclocking process. As overclocking a CPU means it requires more power to operate.

However, as you're unaware of one of the fundamental processes of overclocking, I think you're at serious risk of causing damage to your system. I suggest you do some homework and read up on how overclocking works, specifically how it works with Haswell, before you continue.

Here's a couple of guides to get you started:

http://www.techpowerup.com/reviews/Intel/Haswell_OC_Guide/8.html
http://www.overclockers.com/3step-guide-to-overclock-intel-haswell
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Drummerdude1099

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Jul 15, 2013
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What exactly is the vcore setting?
 
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benjii

benjii

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Oct 29, 2010
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The vcore determines the amount of volts that are going to your CPU and is a vital part of the overclocking process. As overclocking a CPU means it requires more power to operate.

However, as you're unaware of one of the fundamental processes of overclocking, I think you're at serious risk of causing damage to your system. I suggest you do some homework and read up on how overclocking works, specifically how it works with Haswell, before you continue.

Here's a couple of guides to get you started:

http://www.techpowerup.com/reviews/Intel/Haswell_OC_Guide/8.html
http://www.overclockers.com/3step-guide-to-overclock-intel-haswell
 
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Solution
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Drummerdude1099

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Jul 15, 2013
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ok so I loaded optimized defaults, then I set my voltage to 1.25 and my base clock to 100 and my multiplier to 45 and it booted up completely stable everything was good in CPU-Z (correct clock and voltage readings), but when I power down and reboot, it turns off and then on again once before POST and then tells me I have to either load optimized defaults and boot or go into BIOS. If I go into BIOS my OC settings are how I had them (1.25, 100,45) and I can save and exit into a stable windows. Please help, as I am quite confused.
 
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Drummerdude1099

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Jul 15, 2013
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I'm still having problems. Is there anything you can suggest?
 
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vonex

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Oct 10, 2013
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i have the exact same problem, how ever my overclock has been stable for maybe 2 weeks..

some times when i restart i get overclock has failed enter bios screen, i enter bios and it will not let me input same settings again so i have to set to default and load windows.. then go back in to bios repalce my pofile i can play hours of bf3/bf4 beta/cizilization/grid2/crysis 3 then when i restart and i get the same message?

i7 4770k
gigabyte ud4h z87
2x4gb patriot viper 2400mhz
 
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Y

Y0GI

Splendid
Jul 22, 2013
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I have found that there is more to OC settings than just Vcore and CPU Ratio. Here are some settings that need adjustment for a stable Haswell OC:
1) Set CPU input voltage (Vccin) to 1.9 v.
2) Set Ring/CPU Cache/Uncore Ratio to 35
3) Set Ring/CPU Cache/Uncore Voltage to Override Mode and set the voltage 1.190 v.

Lots more info on Haswell OC here: http://www.tomshardware.com/forum/id-1722630/intel-god-quick-dirty-guide-4ghz-haswell.html

Good luck!

Yogi
 
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Drummerdude1099

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Jul 15, 2013
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I can't even find any of this stuff in my BIOS...
 
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