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ASRock Extreme 4 X99 + 6850k capping at 3.8GHz

Go to solution Solved by Frankenburger,

As it turns out, there was a Win10 update that breaks overclocking on Broadwell-E systems.

 

 

Unfortunately, uninstalling the update wasn't an option for me. Deleting the broken mcupdate_genuineintel.dll did resolve the issue though.

 

DXAVJmW.jpg

I'm kind of at a loss here. Sometime in the recent past, my 6850k stopped clocking above 3.8GHz. I couldn't say when exactly, but short of reinstalling Windows, I've done just about everything I can think of, even starting with a fresh BIOS install. What's weirder is that the BIOS does register my overclock (4.2GHz), and I do see the CPU clocking above its stock speed (3.6GHz), but it just refuses to go north of 3.8GHz when in Windows. Thoughts?

 

D8mrtsy.jpg

 

Gaming Rig
Spoiler

CPU: Intel i7-6850k @ 4.2GHz

GPU: 2x FE GTX 1080Ti

Memory: 16GB PNY Anarchy DDR4 3200MHz

Motherboard: ASRock X99 Extreme 4

 

Encoding Rig
Spoiler

CPU: Ryzen 7 1700 @ 3.7GHz

GPU: GTX 1050

Memory: 8GB Curcial Ballistix DDR4 2133MHz

Motherboard: Gigabyte AB350M-DS3H

 

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5 minutes ago, Canada EH said:

Try a different program cpu-z or something.

CPU-Z is reporting the same as HWInfo - 4.0GHz on core 0, 3.8GHz on cores 1-5

 

I'm currently in the process of reloading Windows. Hopefully that'll yield some fruit.

 

wE0Gy2t.jpg

 

Gaming Rig
Spoiler

CPU: Intel i7-6850k @ 4.2GHz

GPU: 2x FE GTX 1080Ti

Memory: 16GB PNY Anarchy DDR4 3200MHz

Motherboard: ASRock X99 Extreme 4

 

Encoding Rig
Spoiler

CPU: Ryzen 7 1700 @ 3.7GHz

GPU: GTX 1050

Memory: 8GB Curcial Ballistix DDR4 2133MHz

Motherboard: Gigabyte AB350M-DS3H

 

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1 hour ago, Canada EH said:

Try a different program cpu-z or something.

 

1 hour ago, Frankenburger said:

CPU-Z is reporting the same as HWInfo - 4.0GHz on core 0, 3.8GHz on cores 1-5

 

I'm currently in the process of reloading Windows. Hopefully that'll yield some fruit.

Nope, reloading Windows didn't fix it.

 

kuw7fJ2.jpg

 

Gaming Rig
Spoiler

CPU: Intel i7-6850k @ 4.2GHz

GPU: 2x FE GTX 1080Ti

Memory: 16GB PNY Anarchy DDR4 3200MHz

Motherboard: ASRock X99 Extreme 4

 

Encoding Rig
Spoiler

CPU: Ryzen 7 1700 @ 3.7GHz

GPU: GTX 1050

Memory: 8GB Curcial Ballistix DDR4 2133MHz

Motherboard: Gigabyte AB350M-DS3H

 

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As it turns out, there was a Win10 update that breaks overclocking on Broadwell-E systems.

 

 

Unfortunately, uninstalling the update wasn't an option for me. Deleting the broken mcupdate_genuineintel.dll did resolve the issue though.

 

DXAVJmW.jpg

 

Gaming Rig
Spoiler

CPU: Intel i7-6850k @ 4.2GHz

GPU: 2x FE GTX 1080Ti

Memory: 16GB PNY Anarchy DDR4 3200MHz

Motherboard: ASRock X99 Extreme 4

 

Encoding Rig
Spoiler

CPU: Ryzen 7 1700 @ 3.7GHz

GPU: GTX 1050

Memory: 8GB Curcial Ballistix DDR4 2133MHz

Motherboard: Gigabyte AB350M-DS3H

 

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  • 3 weeks later...
On 12/25/2018 at 8:35 AM, Frankenburger said:

As it turns out, there was a Win10 update that breaks overclocking on Broadwell-E systems.

 

 

Unfortunately, uninstalling the update wasn't an option for me. Deleting the broken mcupdate_genuineintel.dll did resolve the issue though.

 

DXAVJmW.jpg

What does this cause?

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