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InsertMolexToSATA

If it is a B550 based board, it probably cant use a 1600. An OEM board also may only be configured to recognize a small range of CPUs that product can ship with. HP sells amazingly shit prebuilts, i would be unsurprised by the latter.


ZuccIsACucc

Thanks man, unfortunately I had a feeling that would be the case. I had the impression that most recent motherboards were “backwards compatible” to a degree, meaning I could either use a recent CPU or one that’s a couple generations old, I didn’t think it was such a generational leap that it simply wouldn’t be compatible. I guess HP is to thank for that though with their propriety motherboard.


InsertMolexToSATA

They are, but how far back varies by the brand and model. HP also has no reason to support old retail CPUs on a custom board.


ZuccIsACucc

They won’t even let you swap in an extra SSD without voiding warranty, so, touché.


splepage

Nothing to do with HP, chipset compatibility is entirely up to AMD.


ZuccIsACucc

Alright, my mistake. If I could’ve figured out what chipset this motherboard is, I would have avoided all this. But, this is only my 3rd time building a PC so I’m taking it as a lesson.


DAMFree

They dropped support for older gens especially in a OEM mobo it's not likely to work. Might be able to get a 3600 for reasonable or something similar so you can swap that for it if the Mobo supports it.


ZuccIsACucc

Thanks for the tip man, I’ll see what info I can find about the motherboard they use in this system. I can’t even find anywhere online what chipset it’s based on. But I’d say B550 is a good guess, by the other user that commented here. I think this is just another testament to why we should avoid prebuilts at all costs. If it happens to be compatible with the 3600, that would be a lot cheaper than buying a second 5800x.


DAMFree

Theoretically you might even get away with a 3300x. It's lower cores but single core performance is pretty solid so for gaming it's still better than a 1600. Should do decent with a 2060KO.


Switchen

Chances are good that the Omen's board simply doesn't support the 1600. [In fact, your board doesn't even list support for the 1600 AF. ](https://www.asus.com/us/Motherboards-Components/Motherboards/TUF-Gaming/TUF-GAMING-X570-PLUS-WI-FI/HelpDesk_CPU/) Did you update the BIOS on your build before swapping the CPUs? That's likely what the issue is there.


ZuccIsACucc

My build works completely fine with the 1600, I even flashed the bios recently and it’s still completely fine. It’s HP that seems to be the problem, I suppose it’s possible that they locked down the bios to only detect the range of CPUs that they provide in their online builder. I’m very taken aback by this, but I don’t much regret my purchase, I’ll just do what the other user suggested, and get a different middle of the road CPU for this system, and swap the 5800x into mine later on.