Can't get my memory to run @ 3600mhz?

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Hi all, I'm a bit of a rookie at this so please be easy on me
I have a ROG Maximus XII Hero mobo and I installed the Vengeance RGB Pro DDR4 PC4-25600C18 (2x16gb @3600mhz)
I have went into my Bios and set the XMP profile 1 but the best I can get the memory to run at is 3000mhz even if I set the XMP to profile 2 I still cant get better than 3000mhz, If I do set the memory higher I get the crash screen.
Do I need to change something else?

Thanks.

 

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@uksoldierboy thanks for the reply m8, but when I try to adjust the Dram voltage to 1.4v and save and reboot the voltage reverts back to 1.35000
I have tried the pre-sets but then when it re-boots the Q-code is reading 55 which on this motherboard means memory not installed, I have the ram in Dims 1 & 3 which is what the user guide for the mobo recommends.
Yes I bought the PC its an Intel® Core™ i9-10900K 10 Core (3.7GHz @ up to 5.1GHz)

 

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@uksoldierboy & @freddie64 thanks guys I did exactually what you recommended I re-seated the ram in dim slots 2 & 4 and loaded the optimised defaults then re-enabled the XMP1 and hey presto it's now running at 3600mhz.
Thank you so much for your help.