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Intel Core i9-9900K and ROG STRIX Z390-F GAMING, are they hard to setup ?

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Rhao F.

Rhao F.

PCHF Member
Jul 27, 2020
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Hi, I have got strange problem with new setup, since first start it has somehow very unhealthy picutre, my eyes cant realy stand it for longe time.

I have realy tried everything, problem is still somewhere between CPU, RAM and MOBO. What I have managed is fact, that increasing DRAM Voltage (from 1.35 to 4.0) and NVIDIA control panel Power Management set to Adaptive (or Max perf.) is making PC "usable", still uncomfortable, but i can write at least :) I cant imagine working on that for long hours, no way :)

So theres my specs:
Intel Core i9-9900K
ROG STRIX Z390-F GAMING
HyperX Predator Black 32GB 3333MHz DDR4 CL16 DIMM (Kit of 4) XMP (HX433C16PB3K4/32)
ROG STRIX-GTX1080-O8G-GAMING
Power Zone 750W, Be quiet!
Win10 Pro 64b, latest Firmware, Bios etc
Benq XL2411T - DVI-D Dual 144hz, or Tv 55" Q67R QLED 4K - HDMI 120hz

Are there any special setups I need to do in Bios (or else) to make i9 working with z390f ? Or, are RAM sticks incompatible despite fact, they r in QVL ? Manufacturer says they are not "plug n play", does it mean, I cant use just XMP profile and let it be ? Do need to do manually something ?

Reseting Bios, different XMP profiles, manual ram set, nothing helped. (my last post, PSU sadly wasn't problem :( )

I am sorry for my amateur english :giggle:

raio
 

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#3
first thing I'd be doing is going back to basics.

remove all but one memory stick, remove the graphics card and plug your screen into the mobo graphics port, remove all OC settings and go back to BIOS defaults.

looks like the mobo only supports 2666 memory at native speeds. the 3333 has to be over-clocked (if I'm understanding that spec sheet correctly) so not sure how that works in reality. would be good to try a 2666 stick in it.

have you tried another screen - could it be that simple that your screen if faulty.
 
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