Question Built a new pc and with my new cpu, it will only boot up properly when ram is in single channel.

[sanbornshane9]

Ok, so I have just built a brand new pc. Everything is out of the box except for the PSU and the GPU. When I put it all together with my 4 sticks of ram I was getting the dram light on the motherboard saying something is wrong with the ram basically. After a bunch of messing around I found out it worked when I had ram only in a single channel. So let me first go over my build:

• CPU: Ryzen 7 3700X
• GPU: Geforce GTX 1070 8gb
• MOBO: ASUS ROG Strix B550 F-gaming
• RAM: Cosair Vengeance 4x8gb 4000mhz
• Cooler: NZXT Kraken Z73
• PSU: Cosair TX850 (Silver Certified)

Okay so I guess now I should go over some interesting out comes and attempts I've tried to fix this:

• Check for bent pins on CPU and have reseated it a few times to make sure
• Made sure Cooler is not on too snug or uneven
• Can run dual channel with my old CPU ryzen 5 1600 with the same RAM
• Have tried using the VMP profile type setting in bios
• Bios is updated to the newest version
• Updated chipset software as well

So I guess this only leaves the CPU being faulty, broken, or incompatible with the current build I have. From everything I've looked up I do believe it is compatible with my build and on the outside at least I see no issues with bent pins or anything. So I guess I'm just seeing if anybody has any other ideas, opinions, or experiences with this type of issue before. I guess if nothing works for a while I will resort to buying another new CPU, but I'd first want to try every option before it comes to that because this the second new CPU i bought since the first one I bought came in with bent pins and I had to buy the second. Thanks in advance for any help

 

[BogdanH]

Similar happened to me in past (some RAM stick not being recognized).
Anyway, after fitting RAM sticks into different slots (just by replacing them), was always a success for me (except once, when it turned out one stick was broken).
Of course, you should have BIOS at default settings -but you know that already, I guess.

 

[sanbornshane9]

Similar happened to me in past (some RAM stick not being recognized).
Anyway, after fitting RAM sticks into different slots (just by replacing them), was always a success for me (except once, when it turned out one stick was broken).
Of course, you should have BIOS at default settings -but you know that already, I guess.

So for you, you just shuffled around your ram sticks until they were recognized? lol I mean I would try that, but all the ram seemed to work fine when I put my old CPU in the build

 

[BogdanH]

Yes, that's exactly what I've meant -I know, it sounds silly
Of course, I don't say that's always a solution.. I just think it's worth to try.

 

[sanbornshane9]

Yes, that's exactly what I've meant -I know, it sounds silly
Of course, I don't say that's always a solution.. I just think it's worth to try.

Nah I mean I'll give anything a try at this point lol

 

[geofelt]

Ryzen is very tightly tied to ram.
Support at a given speed differs depending on the processor gen, the number of sticks, and the motherboard.
Probably best to contact Corsair ram guy support.

 

[sanbornshane9]

Ryzen is very tightly tied to ram.
Support at a given speed differs depending on the processor gen, the number of sticks, and the motherboard.
Probably best to contact Corsair ram guy support.

Okay I didn’t even think of calling a support number thanks man