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Problem OCing a 6600K

ShadowzPower
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So it's been about one month and a half since I built my new rig with a 980 and a 6600k.

The problem is, I wanted to overclock the CPU but I'm having problems doing it: basically my CPU doesn't like more than 4.4Ghz.

If I overclock up to 4.4Ghz everything is fine, AIDA64 runs for hours... but then, if I try 4.5Ghz, the test fails after 3 minutes, every time with every configuration, with different RAM clocks, even if I put the multiplier to 44 and then change the BCLK.

I'm starting to think that my chip is really bad because I don't understand.

The strange fact is that even if the test fails, the computer runs fine! Even if I play games.

The MoBo is a Z170 Deluxe from Asus and I have 16GB of Vengeance LPX a 2666Mhz stock.

Help me please, I'm really desperate xD

 

 

PS: In AIDA64 the test fails with "hardware failure detected"

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What voltage do you use when you're testing the 4,5GHz overclock?

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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1.3 with 4.4

1.32 with 4.5

 

Maybe your CPU just needs more voltage to handle the 4,5GHz. Try raising the voltage to 1.35V and then reduce it by 0.01V-steps until it gives you a failure again when stress-testing. Then just go back to the voltage that was stable.

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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Maybe your CPU just needs more voltage to handle the 4,5GHz. Try raising the voltage to 1.35V and then reduce it by 0.01V-steps until it gives you a failure again when stress-testing. Then just go back to the voltage that was stable.

Ok. I'll try.

Last time I left the CPU voltage to Auto... I've seen 1.45 volts...

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Ok. I'll try.

Last time I left the CPU voltage to Auto... I've seen 1.45 volts...

 

Do not leave the voltage on auto, change it to manual mode for overclocking and stress testing. Good luck!

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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Ok I'm on 1.36 volts now and it runs stable.

Maybe too much voltage tho

 

Did it fail on 1.350?

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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IDK about Skylake, but I wouldn't mind pushing my 4670k to 1.4V tops. You could call me insane.

 

For 24/7 use? Just curious. For how long have you been running it with 1.4V now?

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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I didn't try lol.

Because if I recall, I already tried at 1.35

 

Ok, just try it out, if it fails then return to 1.36 and let the stress-test of your choice run for a couple of hours to see if its really stable.

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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Ok, now I'm using AIDA because Prim95 lit on fire my MoBo 3 months ago

 

Yeah, I also used Aida64 to test my overclock since i heard bad things about Prime95. Be sure to let it run a couple of hours, because when i was overclocking my 6600K recently, i thought it was stable but after about 4 hours it showed a failure message. But now i managed to get it stable and i ran 10 hours (overnight) stress test without any failure, just to be safe.

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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Yeah, I also used Aida64 to test my overclock since i heard bad things about Prime95. Be sure to let it run a couple of hours, because when i was overclocking my 6600K recently, i thought it was stable but after about 4 hours it showed a failure message. But now i managed to get it stable and i ran 10 hours (overnight) stress test without any failure, just to be safe.

I would like to run my system for that long but here in italy electricity costs.

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I would like to run my system for that long but here in italy electricity costs.

 

You don't really have to run it for 10 hours. I just let it run overnight, that's why i was doing 10 hours. I think if you do not get a failure after 2-4 hours you should be fine.

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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You don't really have to run it for 10 hours. I just let it run overnight, that's why i was doing 10 hours. I think if you do not get a failure after 2-4 hours you should be fine.

OK thanks. I'm at 1 hour now soooo, i think i'll keep it at 1.36

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I have one question, how can I show my PC specs when I post an answer?

Like you Camstral

You can customize your profile and write your PC-specs in your signature. Then it will appear at the bottom of your posts.

(Remember to use "quote" or @(username) so the other person gets a notification if you reply or ask something)

CPU: i5 6600K | Cooling: Corsair H100i GTX | Motherboard: Asus Z170-A | RAM: 16GB HyperX Fury | GPU: Gigabyte GTX 980 Ti G1 Gaming (6GB) | Case: Phanteks Enthoo Pro | Storage: Samsung 850 EVO Basic (1TB) | PSU: EVGA SuperNOVA G2 (1000W) | Display(s): 27'' Asus PG279Q | Keyboard: Steelseries Apex M800 | Mouse: Steelseries Rival | Headphones: Beyerdynamic DT 990 Pro | OS: Windows 10 | PC Part Picker URL: http://pcpartpicker.com/p/WwL7zy

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