Asrock A620I will not boot with dual ram

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   I built a new rig with the Asrock A620I last week and I have gone through every conceivable troubleshooting step possible to get it to boot with dual ram and it just won't. Is this a known issue with Asrock motherboards?
It will only boot with one stick of ram. 
I'm going for 32gb ram total (2x16gb)both sets of ram I've bought are on the supported list and in a kit. I first had Vengeance DDR5 and it did the same thing as the new tridentz5's I bought to see if it just didn't like vengeance for some reason. Both sets of ram work, I've tested them, just they won't boot up the computer if I put both in at once. 
I've done everything from reseating the CPU to resetting bios, getting a different brand of ram (both are on the supported list)and nothing works. 
Parts list for the computer is here: https://pcpartpicker.com/list/xBkft7
Some help would be appreciated or I'm going to have to return the MotherBoard.

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Angelz Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 12 Apr 2024 Status: Offline Points: 35	Post Options Post Reply Quote Angelz Report Post Thanks(0) Quote Reply Topic: Asrock A620I will not boot with dual ram Posted: 12 Apr 2024 at 9:37am
	I built a new rig with the Asrock A620I last week and I have gone through every conceivable troubleshooting step possible to get it to boot with dual ram and it just won't. Is this a known issue with Asrock motherboards? It will only boot with one stick of ram. I'm going for 32gb ram total (2x16gb)both sets of ram I've bought are on the supported list and in a kit. I first had Vengeance DDR5 and it did the same thing as the new tridentz5's I bought to see if it just didn't like vengeance for some reason. Both sets of ram work, I've tested them, just they won't boot up the computer if I put both in at once. I've done everything from reseating the CPU to resetting bios, getting a different brand of ram (both are on the supported list)and nothing works. Parts list for the computer is here: https://pcpartpicker.com/list/xBkft7 Some help would be appreciated or I'm going to have to return the MotherBoard.

JCT3 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Apr 2024 Status: Offline Points: 30	Post Options Post Reply Quote JCT3 Report Post Thanks(0) Quote Reply Posted: 20 Apr 2024 at 4:38am
	Sounds familiar, just installed a new B550M-HDV today and I get the same won't boot situation. Any help yet as to what's up or hack??

Angelz Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 12 Apr 2024 Status: Offline Points: 35	Post Options Post Reply Quote Angelz Report Post Thanks(0) Quote Reply Posted: 20 Apr 2024 at 9:19am
	I messed with it for over a week myself and then had a friend of mine look at it who has built computers for over 30 years. We eliminated issues with every other part in the computer. The motherboard was bad.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 20 Apr 2024 at 3:45pm
	Typically when this happens the issue is either the RAM (easily tested one stick at a time), the CPU or the motherboard. Most commonly the RAM is not being fully engaged in one of the slots and simply requires a bit more pressure to get it to seat all the way. If that doesn't work then I find it's typically the CPU that has a bad channel on the memory controller. The CPU is tricky to check but the best you can usually do if you don't have a spare to test with is to test a single stick of RAM in each slot, if one bank doesn't work then the CPU may have a bad memory controller channel. This is easier when there are 4 RAM slots as it's unlikely that both of the RAM slots on a given channel are defective on the motherboard. Make sure the RAM is fully seated in both slots, sometimes a slot can be a tight fit and require a bit more force to properly seat the RAM. Just mentioning all this for anyone else experiencing this issue. Based on the number of occurrences of this issue on the forums the issue is most often the CPU but the RAM and motherboard can also be responsible. Unfortunately, with process nodes being so small and chip densities being so high, DOA/defective CPUs have become fairly common, still rare but nowhere near as rare as it used to be. With motherboards it's usually a case of either a defective slot or damage to the traces. This is far less common given how rigorously things like this are tested and the relative simplicity of a motherboard vs a CPU. Hope this is helpful.