OC fails at system turn on, runs stable after reboot

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54p3d

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Feb 19, 2017
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510
Hello, i have the following rig:

i5 6400
gigabyte z170 hd3 ddr3 bios f5c
2x4gb ddr3 1333 kingston
500w bequiet sp8
rx 480 nitro+
noctua u12s

so, i tried oc through BCLK, everything works fine at 4.1 ghz 1.275vcore, system agent voltage at 1.150, i adjusted also other voltages a little bit higher, the system runs stable, ran stable for 2 days, gaming, stressing and idling, the point is: when i turn it on the morning, it gives me that oc is failed, 2-3 boot trials and then asks me to reset bios, i enter bios, i touch nothing, just press f10 and reboot and works fine again (when i go into the bios i have my oc profile already saved) another thing is, when i try to boot linux on dual boot, it won't boot, i can boot linux only on base clock lower than 102.5 mhz, if higher no matter what, won't boot, what should i do know? did i miss something?
 
Solution
The_Staplergun
Try setting to stock settings and do memtest. If it still freezes reduce to one stick of ram and try again. If that freezes switch to another stick. Do this and see which sticks freeze and which ones don't. If none freeze with the core at stock settings, that rules out the sticks. If they all freeze then it might be the cpu.

If they all work without freezing at stock settings, you can work on gradually stepping up your overclock and testing. Overclocking isn't just slapping a setting and saying "here we go!" It's about stepping and testing over and over until you find the setting that works for you.
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The_Staplergun

The_Staplergun

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Jan 30, 2017
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I don't recommend using BCLK Overclocking. The BCLK can effect more than just the processor. Using the multiplier is probably the best. If I remember correctly the BCLK effects the base clock of everything which includes memory and cpu.
 
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5

54p3d

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Feb 19, 2017
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ye i know, i also adjusted ram clocks down to what they can held, i have no other way to oc this cpu, multiplier is locked
 
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The_Staplergun

The_Staplergun

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Jan 30, 2017
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Some CPUs just aren't good for overclocking, especially locked ones. If you want to oc I'd recommend a newer generstion unlocked chip. You can try tweaking settings up or down. Sometimes higher numbers work but between type numbers don't.
 
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5

54p3d

Prominent
Feb 19, 2017
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did you read what i wrote? oc works fine, i can run the system for days under stress, i just have to enter bios every time i turn it on, and that's annoying.
 
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The_Staplergun

The_Staplergun

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Jan 30, 2017
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Ok. That means it's not stable. I can run 5.0ghz all day and even stress it, but prime95 turns errors and sometimes windows crashed after a while.

Sometimes stability isn't as subtle as a tornado, but more like a crash every so often for no apparent reason. I'd appreciate it if you didn't come barging in asking questions and bashing answerers.

It could in theory be something else but if you're overclocking that is more than likely it.

If you think the oc is stable and the bios is being ignorant, make sure the bios is up to date and you have a good psu.

If those two deals are good maybe a new Mobo is in order.

I recommend Downloading memtest86 and running it overnight to see if it turns any errors because it could also be ram.
 
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5

54p3d

Prominent
Feb 19, 2017
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510


I've ran memtest86 and yes it doesn't pass the test, it stucks at certain percentage, first time 22% then 40% etc...so at this point should be the ram,
 
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The_Staplergun

The_Staplergun

Estimable
Jan 30, 2017
1,395
0
2,960
Try setting to stock settings and do memtest. If it still freezes reduce to one stick of ram and try again. If that freezes switch to another stick. Do this and see which sticks freeze and which ones don't. If none freeze with the core at stock settings, that rules out the sticks. If they all freeze then it might be the cpu.

If they all work without freezing at stock settings, you can work on gradually stepping up your overclock and testing. Overclocking isn't just slapping a setting and saying "here we go!" It's about stepping and testing over and over until you find the setting that works for you.
 
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