New Motherboard...CPU Cooling Problems

Kestrel452

Reputable
Oct 28, 2015
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Hey guys, please lend your expert knowledge in helping to remedy a cooling/overclocking issue.

I recently upgraded my PC, and part of the components included a new motherboard (Asus Maximus VIII Hero). Went from a 2600K to a 6700K, and from a 570HD to a 980 Ti.

The trouble came when trying to install the fans onto the H105 liquid cooler radiator. There is a power hookup for the motherboard right at the tip top of the motherboard where the lefthand fan screws in. There is no way to force it in, I am stuck with only one fan on there.

I was told by Corsair that it "should be fine", but after using Asus EZ Tuning Wizard to get a 15% CPU upclock, it was running at almost 100 degrees Celsius during a blend test. Not sure if this is a problem with the cooler, or Asus' overclocker. I tried running a small FFT after reloading the factory defaults, it seemed to run very cool after that.

Do you think swapping out the H105 for a single slot solution like the H75 would be a wise course of action?

Side question: The RAM was being underclocked at first, so I selected the proper XMP profile and it ran spot on what it's spec'd to. But, my XMP profile for the RAM seems to get fiddled with after setting up the O/C with Asus EZ Tuning Wizard. Instead of running at 3000mhz, CPUZ shows around 2750mhz after using EZ Tune. Will using the EZ Tuning Wizard override the profile selection for the RAM?

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I actually had lightning strike, and realized I could grind away that corner screw mount. The interior fan cowling is intact, just the tab that juts out is gone. It sits flush and solidly enough with three screws.


Though another problem has reared it's head...

After maybe 30 minutes of running a blend or small FFT test in Prime95, I get a blue screen that says "CLOCK_WATCHDOG_TIMEOUT" and forces a restart.

The CPU is not overclocked, it runs a little below 4.2mhz, not at the 4.6mhz that EZ Tuning Wizard had it going at. I restored the default settings, and then applied the XMP profile for the RAM (memory). Nothing else was changed from the default.