4x16 hyperX DDR4 3000 - XMP not working - please help out the noob

Jul 26, 2018
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hi there.
this is my first post and i am not a hardware guy :)
but i recently built a 4k video editing pc based on this msi build:
https://www.msi.com/Landing/motherboards-for-4k-video-editing-pc-build

these are the exact parts:
https://pcpartpicker.com/guide/yKLrxr/intel-x299-pc-build-for-4k-video-editing

but instead of 2 kingston hyperX bricks, i went for 4. this makes it 64 GB DDR4 3000.

surprisingly everything went well, since this was the first pc i built myself.
there is only one problem: i can‘t use XMP. when i do, the bios says, the overclock doesn‘t work and it goes back to the last stable settings.

as i said, i‘m not much into hardware and bios is a mystical place for me. so i have no troubleshooting skills at all. i read things about manual settings and voltage and latency, but nothing about my exact build. so i am a bit scared to mess around with settings. btw, i flashed the bios to the latest version.

does anybode have some helpful hints for a complete noob?
thx in advance.
 
according to the manual, there is a sk led on the top right of the board.

red indicate 8 dimm (quad channel) and white indicates 4 dimm (dual channel)

memroy configratuon are different, quad channel mode (which 7900x supports) you need to place ram in a1,b1,c1 and d1 slot?

where as in dual channel mode, you will use c1d1c2d2 (right side)